Catgut suture used on a kit, or fiddle). Misinterpretation of the word kit as referring to a young cat led to the use of the term catgut. Surgical gut is in fact made from the submucosa of sheep intestine or the serosa of bovine intestine and is approximately 90% collagen. Perhaps another possible explanation of the name is the combination of the words cattle and gut. B Braun Medical AG, a German Multi National company first industrialized catgut suture and Catgut is a brand registered with B Braun. Catgut Chrome (B Braun) suture is a variant treated with chromic acid salts. This
Strings (tennis) stringing may be a good alternative to natural gut and multi-filament strings. This is especially true for those who have had tennis elbow and find natural gut string to be too costly. Metal wire, usually piano wire, was used in some historical racquets. The "gauge" number determines the thickness of the string. A string rated with a high gauge number is a thinner string, and vice versa. Thinner strings typically offer higher performance but break more frequently than thicker strings. Virtually all modern raquets are strung in a criss-cross horizontal-vertical pattern. Various other patterns have been used in history with