Why a suction hook couldn’t work?Why a suction hook couldn’t work?

Firstly, check the contact surface. Suction hook suitable for smooth and

solid surfaces of tile, stainless steel, glass etc.Secondly, check installation method. Before place a suction hook, need to clean wall surface. The sucker disk is clean and dry before using. Stick the suction on the wall and press the center of the sucker disk.If the suction cup is hard, put it in hot water for five or six minutes, then take it out, make it dry and reused.Caution:Do not use on wallpaper, concrete, sand, rough, uneven surface.Do not hang precious or breakable itemsPlease hang things within load capacity