How to stop rope made wedge heels from fraying - Hairspray! Before wearing a brand new pair of wedges spray them down with water in a spray bottle(only do this the the rope part of them). Then firmly push down on the rope to be sure the rope is secure and not sticking out. Last spray on a good layer of hairspray to the rope part of the wedge. Let the hairspray dry before you wear them out so you do not get dirt stuck in the hairspray.