[1] They can be made from wood, metal or plastic, bottles stops and are usually shaken, scraped, or tapped with fingers or a stick.
Gourds or bamboo have traditionally been used as Guiros, as they have a resonant hollow body, and can easily be cut with ridges.
A common type from Asia is a carved wooden frog with ridges cut on its back and its mouth and belly hollowed out.
Tapping two sticks together is the simplest form of hand percussion, and has developed a place in traditional music all over the world.
Indigenous Australians use clapping sticks alongside the didgeridoo, and claves are an integral part of South American music.