The replacement of peg handles with a removable key has helped cellists move more easily, and has greatly improved the quality of many cellist’s playing experience. One Keypeg set includes two pegs and two keys. Keypeg is installed by a luthier, and no alteration is made to the cello or scroll itself. The cellos original pegs can be replaced at any time as easily as replacing a string. Using Keypeg simply means keeping a key in your case and one on your key ring.