Catgut 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, hogs, horses, mules, or donkeys. Despite the name, catgut manufacturers do not use cat intestines. The word "catgut" may have been an abbreviation of the word "cattlegut". Alternatively, it may derive by folk etymology from "kitgut" or "kitstring"—the word "kit", meaning fiddle, having at some point been confused with the word "kit" for a young cat; The word kit, being derived from fiddle in
Tennis ball to have been manufactured from a combination of putty and human hair, and were dated to the reign of Henry VIII. Other versions, using materials such as animal fur, rope made from animal intestines and muscles, and pine wood, were found in Scottish castles dating back to the 16th century. In the 18th century, strips of wool were wound tightly around a nucleus made by rolling a number of strips into a little ball. String was then tied in many directions around the ball and a white cloth covering sewn around the ball. In the early 1870s lawn tennis arose