If Amazon's push to throw out unsafe hoverboards wasn't enough of a wakeup call for you, this Saturday Night Live sketch might make you think twice about picking one up. The gadgets, which exploded in popularity this year, also have a tendency to, well, catch fire. Airlines have already banned them, and US officials are also looking into how safe they are. The big problem seems to be cheap batteries used by some hoverboard manufacturers. If you're looking to get one, just be sure to do your research.