Clapsticks, also spelt clap sticks and also known as bilma, bimli, clappers, musicstick or just stick, are a traditional Australian Aboriginal instrument. They serve to maintain rhythm in voice chants
Two pairs of Australian Aboriginal clapsticks
Didgeridoo and clapstick players performing at Nightcliff, Northern Territory
A clapper is a basic form of percussion instrument. It consists of two long solid pieces that are struck together producing sound. They exist in many forms in many different cultures around the world.
Clapstick
…The usual technique employed when using clapsticks is to clap the sticks together to create a rhythm that goes along with the song. Clapper (musical instrument) Clapper stick…
A slap stick manufactured by Ludwig
A whip being used in a front ensemble
Circa 795 A.D. David playing the harp, accompanied by a plucked fiddle and clappers. Germany or France. Clappers from the Carolingian Empire appear to have been disks or possibly chimes attached to sticks.
Circa 850 A.D. Musicians in the Utrecht Psalter holding a lyre and clappers.