At first glance, some of these Amazon finds might have you asking, "Who on earth invented these?" Give them another look, though, and you'll realize each one can actually solve problems you’re tired of dealing with — or maybe didn't even know you had. From hilariously niche gadgets to surprisingly clever everyday essentials, these weird-as-hell finds all cost less than $20. Once you see what they can do, there's a good chance you'll be wondering how you ever managed without them.