The Derkach is a Ukrainian version of the rattle, ratchet. It is used in Ukrainian folk instrument orchestras, and also as a child's toy. A similar toy is commonly used in many Jewish communities on the festival of Purim as a noisemaker. In Yiddish it is known as a gragger. Percussion Loops,
The Rubel (kuchelka, kachalka, rebra) is a Ukrainian folk musical instrument. It is primarily a household item used for washing and drying clothes, but it is occasionally used as a percussion instrument. The rasping sound produced is similar to that of the Derkach. Percussion Loops,
