When playing, hold the lower part of the tube body with the right hand, press the upper hole with the thumb, and press the hole with the middle finger or ring finger. Lifting the tube makes the upper end of the tuning fork hit the left palm and wrist to produce the fundamental sound, just like the sound of playing a cotton bowstring. The upper and lower sound holes are opened respectively, and two...

It is made of bamboo pipes. Choose two bamboo pipes with a length of 80 cm to 100 cm and a diameter of 2.5 cm to 3 cm. The upper part of the bamboo tube is split and cut into a tuning fork shape, that is, the front and rear tube walls are cut off, and the left and right tube walls are left. The length of the fork is 25 cm to 27 cm, and the distance between the two forks is 2 cm. A slit is split in...