We like to think we've got life down pat, but really we could all use a few shortcuts and awesome inventions to make life even easier. I mean, you can shave seconds off getting ready in the morning with a handy one-handed zipper, or even a knife that makes it easier to spread butter on toast. Yeah, thanks to these clever inventions, life just got so much better.
Here are 15 useful inventions you never knew you needed:
1. One-handed zipper
13. The ButterUp