If you don't have a capo—or if you just forgot to bring one to your jam session—you can quickly put one together with just a pencil and a couple rubber bands. If you're in a pinch and the song you ...

The gig bag of many guitarists will likely hold a good deal more than the guitar itself. Spare strings, a tuner, some tools, and possibly a capo. The lattermost is used to change the pitch of strings ...