This gadget attached to your vacuum cleaner so you could cut your own hair.It let you stud rhinestones onto just about anything you owned.This wireless microphone let you broadcast your voice through any nearby radio.A tiny folding fishing rod you could carry anywhere, just in case.This plastic loop tool promised salon-style ponytails in seconds.Clapping your hands to turn off the lights felt like living in the future.The commercials showed them slicing through a tin can and then a tomato.Its seat swiveled in circles so you could supposedly work out while sitting at your desk.This vibrating dumbbell became famous for its infomercial more than its workout.Watching sprouts grow into “fur” on a clay animal somehow became a holiday tradition.This full-body adult onesie promised ultimate comfort, and the internet has never let it go.A blanket with sleeves became a massive hit, even though it was basically a backward robe.