This is a real advert...

[Tharic-Nar]

Not a joke or some clever photoshop trickery, this is a real advert in one of those health and living type magazines... really.

I'll take two!

 

[Rob Williams]

The site has testimonials if anyone wants to pick up a pair:

http://www.myshreddies.com/underwear-information/flatulence/shreddies/testimonials/