Hi-hat

combination cymbal and stand found in a standard drum kit, played by means of a foot pedal

A hi-hat, or hihat, is a pair of cymbals which can be pushed together with a pedal. It is usually part of a drum kit, and is used in many forms of music including reggae, jazz and rock and roll as well as many others.

A typical drum kit. No 6. is the hi-hat.