Top 10 Dumbest Inventions A car that flies, a bra that doubles up as a golfing green, and a pet youll need a lot of imagination to play with. there are good .br My Reaction To 10 DUMBEST INVENTIONS EVER Link to original video Follow me on instagram Mrsroyalty24kt FOLLOW ME .br From diet water to umbrella accessories designed by aquaphobics, we count fifteen head-scratchingly stupid Japanese inventions .br From glue sticks filled with butter to shoes with an in-built air conditioning system, we count 20 of the most bizarre and utterly useless inventions some people .