This anti-ageing device makes mouth muscles stronger - but also looks very NSFW

There's really something to be said for ageing gracefully.

This Japanese beauty gadget, the Facial Fitness Pao, requires the user to hold a ball part in the mouth while bobbing the head up and down.

It promises to improve your appearance by strengthening your mouth muscles, toning your face and giving you a more youthful visage.

Because key signs of ageing include slackening of the facial muscles - and lack of a dirty mind.

Luckily, we have the ever-handy internet to explain just what's wrong with this picture...

Eric Olson: "Catch someone doing this at work...like wtf lol"

ICYMI, erstwhile footballer and orange metrosexual Christiano Ronaldo actually endorsed this product back in 2014.

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