The Fat Ivan- The World's Only Fold-Up Door Chock The FAT IVAN®, the evolution of the door chock, was created out of necessity. Firefighters are tired of carrying wedges that rarely work or having bulky pieces of welded angle iron hanging out of their pockets. Firefighters can't have doors close behind them or get their hose lines pinched under doors. Instead, they want a door chock that works on any door hinge, folds up, and disappears in their pocket when not in use. The Fat Ivan does it all. • Compact 4" x 2" x 1" design • Strong, durable, engineered plastic and steel • Lightweight, only 5 oz. • Extra hand for holding doors open • Folds up for pocket or purse • No need to bend over, ever • No damage to door or jamb • Hook completely contained tool • 100% guaranteed • Magnets for easy storage