I am kind of a hoarder, so I keep all kinds of junk. But you can make keychains out of all kinds of junk!
First, you need a wine cork. You can use an old wine cork, or buy them here: You also need screw eyes: and keychain rings:
Fasten a keychain ring to a screw eye. If you are struggling to do it, go to this video for an alternative try: https://www.youtube.com/watch?v=5zEr6J2aXvU Push/turn the screw eye into the cork. Now you are done!! Enjoy!