Get an extra hook in bathroom without make hole on the wall.
This is a reusing of a retail hanger, you can get the retail hanger free from store when you buy a shirt or any clothes, the cost is $0.
Step 1: Supplies
Pliers and Screwdriver
Step 2: Make the Hook
Take out the wire from the retail hanger. Make it as the shape in the photo.
Step 3: Attach It to Door Hinge
Pull up the hinge pin half inch. Attach the hook to door hinge. Then push the pin back.