It is in the shape of a two or three fork tongs. It carries a total number of 4 eyeballs, two attached on each fork of the tong. It is played by striking to the fingers of the other hand while one hand holds the tong. The other names for Zilli Masa are Masa and Saksak.
It is composed of 4 pieces of wood in the shape of a spoon, generally, made of boxwood. They are attached to each other with a string or another substance. It is played like Zilli Masa. Two are held in the palm of one hand and the other two in the palm of the other hand and sound is produced by striking both of them.
This was popular in the Iranian music. It was later adapted by the Arabs and from them the Spaniards and eventually, "Kastanyet" were shaped up. Some of our proverbs are also assimilated with Çalpare. For instance; "Çalparasiz oynamak", "Etegi çalpara çalmak" means to be very joyful.
Source : Republic of Turkey Ministry of Culture, Directorate General of Fine Arts