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
Kingri (string instrument) inserted into the fingerboard with three pegs. The strings on the bow are made by using three tufts of horse hair or Goongaru. The strings on the instrument were originally made of animal gut, but modern day Indian gypsies typically use low quality steel strings instead, resulting in more vibrato and lending the instrument a sound similar to the violin. Sri Lankan composer Dinesh Subasinghe used the kingri on the album Rawan Nada as well as for performing folk music. In 2007, Subasinghe made some modifications to the instrument and discovered it to be another close version of the Ravanstron