A guitar string winder – sometimes called a guitar peg winder – is a simple tool that makes changing your guitar strings faster and easier. They are usually made from hard wearing plastic, and feature a hollow end that fits around the tuning pegs (tuning machines) of your guitar. On the other end is a handle that you can turn clockwise or anti-clockwise as needed, to loosen or tighten the strings. This means you can remove strings or install new strings on your guitar with …