1.Clean and dry the position when install or reinstall,ensure the surface is flat,smooth and no concave and convex surface.such as ceramic tile,glass,smooth wood,smooth metal surface,etc
2.Applying a small amount of moisture to the suction cup
3.Press the shower holder,push out the air
4.Slide the suction lever downwards,active the suction cup
The others non-smooth surface please use adhesive dics frist(provided),such as rough wood,emulsioni paint,textured tile,etc.Stick the discs to the wall first.and then attach the suction cup to the disc.