RECMAR 7115 Steel Bulldog Clip
Ribbed 1-Hole Thumb-Grip Bulldog Clip. Nickel-Plated Steel w/Overlapping Jaws. 1in x 7/16 in. Hole on back of the bulldog clip slips easily onto 7122 Button Carrier w/ hook and 7142 J Hook to quickly attach curtains and backdrops. Popular in photography studio applications. Sold individually."