Think Tank Backpack Connection Kit, Backpack Connection Straps and Camera Support Straps, for TTP Backpacks Only Keeps a Digital Holster V2.0 snug against the torso Designed to keep bag stationary during extreme body movements Compatible with all Digital Holster V2.0 sizes Keeps a camera ready with a lens and lens hood attached, in position Webbing End Roll-ups keep excess webbing slack neatly wrapped