Jinzo — The Art of Clay Work

Jinzo (Dzongkha: rdza mdo) is the traditional Bhutanese art of clay work, recognized as one of the Zorig Chusum, the thirteen traditional arts and crafts of Bhutan. The discipline encompasses a wide range of practices: the creation of clay sculptures of Buddhist deities for temples and monasteries, the production of tsa-tsa (miniature votive tablets pressed from clay moulds), the making of pottery and earthenware for daily use, and the use of clay in architectural construction — particularly in the building of traditional rammed-earth walls and the fashioning of decorative clay elements for buildings.

Clay holds a special place in Bhutanese religious practice. The creation of a clay statue of a buddha or bodhisattva is considered an act of profound merit, and the production of tsa-tsa — small stamped tablets containing sacred images or mantras — is one of the most widespread devotional practices in the Buddhist Himalayan world. Pilgrims and laypeople produce tsa-tsa by the thousands, leaving them at sacred sites, inside chortens (stupas), and at mountain passes as offerings and as a means of accumulating spiritual merit.

While less visually prominent than Lhazo (painting) or Parzo (carving), Jinzo is arguably the most materially fundamental of the Zorig Chusum. Clay is the substance from which Bhutan's built environment has historically been constructed, the medium through which countless religious images have been given form, and the material of everyday domestic objects from cooking pots to water vessels.

Historical Background

The use of clay in Bhutan predates recorded history. Archaeological evidence from the central and eastern valleys indicates that pottery production was established in the region long before the arrival of Buddhism. Simple coil-built and slab-built earthenware vessels — storage jars, cooking pots, and drinking cups — were among the earliest manufactured objects in the Bhutanese highlands.

The arrival of Buddhism transformed the significance of clay work, investing it with spiritual meaning and expanding its technical repertoire. The tradition of creating clay statues of Buddhist figures was introduced from Tibet and Nepal, where it had been practiced for centuries. By the time of the great monastic foundations of the 15th through 17th centuries, Bhutanese clay sculptors were producing works of considerable sophistication — large-scale statues of buddhas, bodhisattvas, and protective deities that filled the altars and sanctuaries of the emerging network of dzongs and monasteries. Bhutanese clay sculpture absorbed influences from Tibetan, Newar (Nepalese), and Indian artistic traditions. Newar craftsmen from the Kathmandu Valley, renowned throughout the Buddhist world for their metalworking and sculptural skills, are known to have worked in Bhutan at various periods, contributing techniques and stylistic elements that Bhutanese artists adapted to local sensibilities. Over time, a distinctively Bhutanese approach to clay sculpture emerged, characterised by robust modelling, rich polychrome surfaces, and the integration of sculptural elements with architectural space.

The production of tsa-tsa is believed to have been introduced to Bhutan with the earliest Buddhist missionaries. The practice has ancient Indian origins — the word tsa-tsa is thought to derive from the Sanskrit term for "reproduction" — and spread throughout the Buddhist world as a means of producing merit through the multiplication of sacred images. In Bhutan, tsa-tsa production became a deeply embedded cultural practice, associated with both monastic discipline and lay devotion.

Types of Jinzo

Religious Sculpture

The creation of clay statues for temples and monasteries represents the highest expression of Jinzo. These figures range from small altar pieces a few centimetres tall to monumental sculptures several metres in height. The subject matter is drawn from the Buddhist pantheon: the historical Buddha Shakyamuni, Guru Rinpoche (Padmasambhava), Avalokiteshvara (the bodhisattva of compassion), Tara, and the vast array of peaceful and wrathful deities that populate Vajrayana Buddhism.

The production of a major clay statue is a complex, multi-stage process. An armature of wood and wire is constructed to support the figure's weight. Clay — carefully selected, cleaned, and mixed with fibrous material such as straw or cotton to prevent cracking — is built up around the armature in successive layers, each allowed to partially dry before the next is applied. The sculptor works from established iconographic proportions (thig tshad), ensuring that the figure's dimensions conform to canonical standards. After the basic form is complete, details are refined, and the surface is smoothed, primed, and painted — the latter step falling within the domain of Lhazo.

Tsa-Tsa (Votive Tablets)

Tsa-tsa are small clay tablets, typically ranging from a few centimetres to about ten centimetres across, bearing impressed images of Buddhist deities, stupas, or mantras. They are produced by pressing moistened clay into metal or stone moulds (often themselves works of considerable artistry), then drying or lightly firing the resulting tablets. Some tsa-tsa are enriched with sacred substances — ground relics, blessed herbs, or the ashes of cremated lamas — which are mixed into the clay before pressing.

The production of tsa-tsa is both a monastic discipline and a lay devotional practice. Monks may produce thousands of tsa-tsa as part of their training or as a ritual practice during retreats. Laypeople produce them as acts of merit, often in memory of the deceased. The finished tablets are placed inside chortens, deposited at sacred sites, stacked in dedicated shelters along pilgrimage routes, or left at mountain passes and river crossings. The landscape of Bhutan is dotted with accumulations of tsa-tsa — silent testimonies to centuries of devotional clay work.

Pottery and Earthenware

Functional pottery has a long history in Bhutan, though it has been partially displaced by metal and plastic alternatives in recent decades. Traditional Bhutanese pottery includes cooking vessels, water storage jars, fermentation pots for ara (local alcohol), butter churns, and drinking cups. Production techniques vary by region: some areas use coil-building methods, while others employ simple hand-forming or paddle-and-anvil techniques. Wheel-thrown pottery is less common in Bhutan than in lowland South Asian traditions.

Certain regions have historically been known for pottery production, with skills and kiln-firing knowledge passed down through families. The pottery of eastern Bhutan, particularly from districts such as Trashigang, has been noted for its distinctive forms and finishes.

Architectural Clay Work

Clay plays a fundamental role in traditional Bhutanese construction. Rammed-earth (hangchunpa) walls, built by compacting layers of moistened clay and gravel between wooden formwork, are the standard wall-building technique for traditional Bhutanese homes. Clay is also used to produce unfired bricks, to render and plaster walls, and to create decorative architectural elements such as moulded cornices, medallions, and relief panels on temple exteriors.

Training and Transmission

Training in Jinzo has historically followed the master-apprentice model common to all the Zorig Chusum. Aspiring sculptors would attach themselves to established masters, learning through observation and progressively more demanding assignments over a period of years. For religious sculpture, training included not only technical skills but also instruction in Buddhist iconography, proportional systems, and the ritual protocols surrounding the creation of sacred images.

The National Institute for Zorig Chusum in Thimphu offers formal instruction in clay work as part of its curriculum. Students study the preparation of clay bodies, mould-making, sculpting techniques, and the iconographic canon. The programme typically spans four to six years and produces graduates qualified to work on temple construction and restoration projects, as well as to take private commissions.

Pottery traditions, by contrast, have been transmitted primarily within families and communities rather than through institutional training. As functional pottery has declined in the face of modern alternatives, some of these family-based traditions are at risk of disappearing. Efforts by cultural organizations and the Bhutanese government to document and revive traditional pottery practices are ongoing but face the fundamental challenge of economic viability.

Contemporary Significance

Jinzo remains actively practiced in Bhutan, though its different branches face different prospects. Religious clay sculpture continues to be in demand as new temples are built and existing ones are restored or expanded. The construction of chortens and the production of tsa-tsa remain living devotional practices, sustaining the most widespread form of clay work in the country.

Functional pottery, however, has declined significantly. The availability of inexpensive manufactured alternatives — metal pots, plastic containers, glass bottles — has reduced the market for handmade earthenware. Some artisans have adapted by producing decorative pottery for tourists and collectors, but this represents a fundamental shift from the craft's historical role as a producer of everyday necessities.

The government of Bhutan, through its cultural policies and architectural regulations, continues to support the clay arts. The requirement that new buildings incorporate traditional architectural elements ensures a continued role for clay in construction, while the active programme of dzong and temple maintenance sustains demand for skilled sculptors. International interest in Bhutanese craft traditions has also created new opportunities, including exhibition invitations, residency programmes, and collaborations with foreign artists and institutions.

References

1. "Zorig Chusum." Wikipedia.
2. "The 13 Arts and Crafts of Bhutan." Tourism Council of Bhutan.
3. Aris, Michael. The Raven Crown: The Origins of Buddhist Monarchy in Bhutan. Serindia Publications, 1994.
4. Pommaret, Françoise. Bhutan: Himalayan Mountain Kingdom. Odyssey Publications, 2006.

Contributed by Anonymous Contributor, Portland, Oregon