When playing the squeak, the tube body is placed vertically, the right hand presses the three holes, the left hand presses the three holes, and the mouth contains the air inlet port mouthpiece, but the lower lip cannot block the upper tube mouth. The barrel tone is a1, and the sixth hole emits a high octave. Through flat blowing and super blowing, the sound range is a1-a3.

The sound of the flat blow is soft and the sound of the super blow is crisp. Playing techniques such as finger sliding and wiping holes are often used, and its portamento has a unique flavor. It is a wind instrument that is deeply loved by the Miao people and is mostly used for solo entertainment. No matter in happy or sad occasions, people can express their rich inner feelings with quasi, regardless of time or occasion.

Well-known pieces include "Drinking Tunes" and "Pain Tunes".