Clean the wall with a damp cloth 3. Clean the wall with a hair dryer 4. Dry the wall with a hair dryer Installation instructions 1. Clean the wall surface with a dish cloth 2. Ensure leveling of the contact surface between the wall and the suction cup 3. Dry the wall, then press the base of the suction cup strongly against the wall, and release the hand until you squeeze the air tightly. 4. Twist the suction cup clockwise until it cant move.