The Glide Strap with Split Strap Technology is designed to make it easy to drawthe camera from your side. The camera glides up the strap so your are ready to shootquickly. This strap works with the C-Loop and is compatible with the hardware from most camera sling systems. Includes everything you need to attach it to the C-Loop. After studying how straps interact with the structures of the shoulder, neck, and back, Cusom SLR discovered that the planar/flat profiled nature of existing straps did not contour to the body well causing unequal weight/force distribution, discomfort and possible strain