Photo Clip with Hook: Comes with hook for easy shooting and better shooting experience. HEAVY DUTY PHOTOGRAPHIC BACKGROUND: These clips are made of high quality durable materials and strong steel spring to provide superior strength for all your photography needs. Rubberized case for enhanced grip and protection: each clip comes with a rubber cover on both sides of the clip opening to provide excellent grip and protection of the clamped items. Perfect companion for photography, backdrop stand, background muslin, canvas, paper, carpenter etc. High power springs: Makes backdrop clips with unrivaled clamping force. When using these clips, please make sure to hold your items firmly before releasing and keep your hands free and pay attention to avoid pinching. MULTIPLE USE OPTIONS: Ideal for fixing backdrops, paper, reflectors and carpentry, home items. These clips are designed to handle a variety of photography projects