Catgut down to the desired diameter using a centerless grinder. After drying and polishing, workers bleach and disinfect the strings using sulfur dioxide, dye them if necessary, and sort them into sizes. Catgut sutures are normally treated with a chromium salt solution to resist body enzymes, to slow the absorption process, and are called catgut chromic sutures—whereas untreated catgut sutures are called catgut plain sutures. Catgut Catgut is a type of cord that is prepared from the natural fibre found in the walls of animal intestines. Catgut makers usually use sheep or goat intestines, but occasionally use the intestines of cattle,
Bolon (musical instrument) Bolon (musical instrument) The bolon is a traditional harp played in Mali, as well as Guinea. It was notably played in hunting ceremonies or before a battle, to rouse warriors' valor. It was also used by the Jola in Gambia for accompaniment for men's choruses. Among other string instruments played in Guinea, the bolon is the oldest. The bolon is a three-stringed instrument, constructed from a large calabash covered by unshaven goat skin, and a bow-shaped neck. When playing, it is placed between the legs with the strings facing the musician. In addition to plucking the strings, the musician also