This Is How Easily A Rat Could Wriggle Its Way Up Your Toilet. Shocking! 5k

Rat’s have their ribs hinged at the spine, allowing them to easily pass through even the tightest space like pipes and drains. Not only that, but they are great swimmers too, able to hold their breaths for up to three minutes if needed.
This experiment shows how a rat could easily find itself from the street into your bathroom.