Spray bobby pins with hairspray or dry shampoo, wait a couple of seconds to let them dry just enough to get them sticky and pin away! Sticky bobby pins stay put, even on straight hair. Insert the bobby pin into your hair, wavy side down.
(This might work for craft supplies as well) PEG BOARD SLIDES. Running out of wall space? Use peg board slides to store your tools vertically under the counter. These slides would work in kitchen base cabs.