Shamandrum with knots Framed drum. It is well known on every continent from Asia beyond Caucasus throughout Europe to North- America. The frame is bent hard wood, the membrane is strong deer, beef or goat skin. It does not need any treatment. The diameter is from 36-100 cm. We make them with and without knots. The surface of wood is treated with linen oil. More than an instrument! 100% hungarian handicraft product directly from the craftsman.