HOME | doorclamp Forget “two-man teams” to install labor-intensive,bar-type door restrictors. Just 6 self-tapping screws and one lightweight flag per floor! The DoorClamp is so easy to install, it … Forget “two-man teams” to install labor-intensive,bar-type door restrictors. Just 6 self-tapping screws and one lightweight flag per floor! The DoorClamp is so easy to install, it …