Dholki for sale, Buy Dholak. Dholak is a South Asian barrel-shaped, two-headed hand drum made of one piece of wood. It is also popularly known as dholki. Its construction is very simple. It may either have traditional lacing or turnbuckle tuning. In Traditional lacing(rope-tuned), Steel rings are used for tuning and pegs are twisted inside the laces. In Turnbuckle tuning(bolt-tuned), nuts and bolts help in producing tension.The two heads of a dholak vary in sizes with right one being smaller in size. The right head has a simpler membrane and produces a high pitched sound.