Las Chaschas is a bunch of dissected goats that are pierced and pierced by a son of waxed cotton or tanza (fishing thread) which are subject to a cloth bracelet, is a very old ritual musical instrument of the region Andean region of America, can be found in northern Argentina, Bolivia, Peru and Ecuador. They have 30 to 50 dry goat's hooves which give a quasi-crystalline sound when they hit each other.
It can be used on the ankles to mark the pulse with the feet when dancing, or also fastened on the wrists and the arms. Another way is to hold it is by hand and beat it with different intensities. An intense and fast chiseling of the chips produces a loud and strident sound.