A chap or chhap (Thai: ฉาบ, Khmer: ឆាប) is a percussion instrument.
[1] The chap consists of two thin, round disks or plates with a bulge in the center.
[1] The plates are held against the hands like cymbals, using handles made of string, passing through a hole in the center of each plate.
"[1] The "timbre or tone" change when struck at an angle.
A chap lek's diameter is 12–14 cm.