A traditional corbel, the body is made of a single piece of wood. Folks are mostly self-made, not only the materials used are different, but also the specifications and sizes of the pianos are different, and there is no unified standard.

The production of corbels is mostly made of local fir, paulownia, pine, chun, poplar or miscellaneous wood, preferably fir with straight texture and no knots.

sound box
A long scoop-shaped abdominal cavity is dug out from one end of the half log, which is covered with a paulownia veneer, and the back of the piano is in the shape of a boat bottom. , There is a circular sound hole on the right (or left) of the middle of the panel, which can be inserted into the sound column.

headstock
Square column shape, flat top without decoration, 7cm~12cm long, 4cm~6cm wide, the string groove is opened at the back, there is a hardwood peg on each side (upper left and lower right) or both shafts are located on the right side, the piano There are two string holes under the front of the head for stringing.

neck
The front is flat and the back is round, the upper is narrow and the lower is wide, and the length is 22 cm to 38 cm.

bridge
Bamboo or wooden bridge bridge is disposed 2/3 below the panel, and the lower end is equipped with cowhide tie strings for tying the strings.

strings
Zhang two strings, initially with thin brown ropes, later changed to silk strings, and now mostly steel strings.

bow
The thin bamboo is the bow rod, and the two ends are tied with brown silk or ponytail. The length of the bow is 55 cm to 65 cm.