C-LOOP is a convenient strap mounting system that allows you to hold your camera sideways and prevents strap tangling. - Model Name: C-LOOP - Type: Strap Mounting System - Features: 360-degree rotation to reduce strap tangling - Compatibility: Compatible with most camera straps I tried attaching the strap, but I never actually took it out with a camera. It's in relatively good condition, but it's a used item, so I'm selling it to someone who understands. Thank you for looking.