Bitchstraps Slide / Harmonica Holster Brown Hand made Capo and Slide / Harmonica Holsters come in three colors to match your strap selection. All Bitchstraps products are made of the highest quality leather and come with a Lifetime Guarantee. Holster snaps easily fix into your guitar strap to keep your slide and or harp where you wont loose it! The Slide / Harmonica Holster is the perfect place to stash your slide or harp on stage. No more dropped slides!