Many clothes hangers have built-in grooves that allow you to hang tank tops or clothing with spaghetti straps. If your hangers aren't as accommodating, you can fix the problem with a little Sugru.
By adding a bit of Sugru to the edges of a hanger, you can hang clothing that would otherwise slip off the edge. This can be useful for shirts without sleeves or dresses. Alternatively, you can use several bits of Sugru to create a tie or belt rack on a single hanger.
20 unexpected things you can fix with Sugru [Mother Nature Network]