You can make guitar picks out of all sorts of things with this sweet gadget!
As long as it’s 1mm thick or less (that’s bigger than it looks, ladies – we swear), then you’re good to go! Depending on what material you use, the edges may come out a little rough, but any guitar player worth their callouses will have a good file around to fix burs anyway, so that’s not even an issue.
The best thing about this is that most hotel room key cards will fit in there and those things are absolutely worthless when you forget to leave them in your room. Not anymore! Forget about trying to find a local music store when you’re on tour, just slide that key card into the pick puncher and it ought to be good for at least two or three brand new ones!