Fart Panties Allow You To Pass Gas With Confidence

First of all, I need to know how Shreddies, the flatulence filtering underwear, work. Is there an air freshener inside the panties? Are they sound proof? I have so many questions. After I’ve demystified the logistics of Shreddies, I’d like to understand how that woman got into that pose otherwise known as the international body position for “I’m farting with confidence.” [The Clearly Dope]