The güiro is a Latin American percussion instrument consisting of a hollow gourd with parallel notches cut into the surface. It is played by rubbing a stick along the notches to produce a ratchet-like sound. Striking the tonal grooves of the Güiro creates many different sounds.
Güiro are played similar to maracas and are usually accompanied by a singer.
The hollow shell is filled with tiny beads which produces an additional sandy sound.