Now that baby is getting curious - keep your child from accessing off-limit areas. Adult installation required. Keep instructions for future use. To Use: 1. Separate halves by disengaging snaps. 2. Reassemble halves around door knob making sure all 4 snaps are securely fastened. 3. To open door, grip door knob through holes in door knob cover and turn knob. Note: Door knob cover should spin freely on door knob after assembly. To Clean: Wipe with damp cloth and dry.