The Stow-Away lens cap holder is a DSLR accessory which addresses the problem of what to do with your lens cap while taking photos. While the majority of photographers simply slip their lens cap into their pocket, others (nudist photographers perhaps?) apparently need an alternative. The Stow-Away lens cap holder attaches under your camera and gives you somewhere to stow your lens cap.
Read the full article: Stow-Away keeps your lens caps under your DSLR