Toilet-paper rolls don't work as phone speakers.

The life hack: Fitting your phone inside a set of connected toilet-paper tubes serves as a kind of makeshift amp.

Why it's bogus: The sound isn't made any louder by the tubes; if anything, it gets muffled by all that excess cardboard. Go with a bowl instead — it shoots the sound waves up and out instead of trapping them inside an overly complicated rig.