1.The bed frame anti-shake tools keep the headboard stable,do not worrying about knocking or creaking when you sleep.2.Includes 2 assembled headboard stopper, don't need to re-assemble screws, metal parts and pad like others.3.With stickers,just uncover the sticker and paste it where you want, then adjust the length of the headboard bumper as needed,easy to change the stability of your bed frame in just a few minutes.4.This Adjustable Threaded Bed Frame anti-shake tool can be used in many places, as long as the center of gravity is unstable or easy to shake the object can be used. Such as bed, cabinet, chair, sofa and other objects used against the wall.5.Measure the distance between your shaking furniture and the wall, then choose the right size Adjustable Threaded Bed Frame anti-shake tool to hold it in place.