Behold, the coupling of two R-Straps into a two-camera carrying system! The CoupleR is BlackRapid's simplest and most economical solution to carrying two cameras. By coupling any two RS-1 through RS-5s in the back and wearing them like a backpack, your cameras will hang vertically at your sides. You'll feel free and secure while having both cameras quickly accessible. Simply strap one or more CoupleRs to the back portion of the two straps and adjust their height for comfort. Presto! - Grab. Glide. Click.