Chalkboard Door Hanger
You had me at chalk, Restoration Hardware.
If you’re sick of people busting through your bedroom door without knocking, look no further. Just pick up one of these double-sided Chalkboard Door Hangers to rid the world of the impolite roommates, parents, and/or little brothers in your life. Comes with 2 pieces of chalk and a mini eraser.
Buy now: $18