What: Anti-Fart Pad

From the product description page:

Laced with activated charcoal, these ingenious (but not particularly sexy) adhesive pads help neutralize even the most odoriferous of releases. Just think, no more embarrassing silent-but-deadlies midmeeting or blaming that noxious smell on the dog. They’re surely a lifesaver for anyone suffering from intestinal issues …

Via:

Anti-Fart Pad.

I wonder if these work? I’m asking for a friend.