Wrap knuckles on a wooden surface of the instrument.
Hit the left hand against the deepest bass string (string 21) to simulate a drum beat.
An extended technique, created with the left hand simultaneously plucking and muting a string on the left side of the movable bridges. This produces a percussive sound.
Pluck four strings on the right side of the movable bridges with the left hand using a closing motion. Do not use the thumb. This produces a gong-like sound. Kwok offers the name Zhengsao.
A reversed Sǎo yīn. Pluck four strings on the right side of the movable bridges with the left hand using an opening motion. Do not use the thumb. This produces a gong-like sound.
Press the middle or ring finger of the left hand into a string very close to a movable bridge. Use the index finger of the left hand to pluck that same string repeatedly. This creates a percussive effect that first gained prominence in the Chaozhou school.