TRAPPER Snap Trap is a spring-loaded trap that’s easy and safe to use. A state-of-the-art mechanical trap, it sets with one hand in one easy motion — as easy as opening a clothespin.Use TRAPPER Snap Trap alone or in pairs with the opening toward the wall. Mice enter from either the front or sides. Place the trap along walls where mice travel, in cupboards or wherever mice are present. Disposal is also easy. Simply pinch the two ends together to release the mouse and the trap is automatically reset to be used over and over again.