Sick of your in-ear headphones always falling out when you're out jogging, but don't really want to spend the extra cash on a specialised set of headphones? Redditor wtp points out the easiest method to keep earbuds in is to simply wrap them over your ear.
This is one of those dead simple ideas that might make you feel a little silly if you haven't thought of it yourself, but it works great and costs zero dollars. If you'd prefer a more hacked together approach you can always make your own hooks from twist ties. Have some tips of your own for keeping headphones from falling out?