Deodorizing fart pads?

This is possibly the greatest or  most awkward invention in the history of mankind. For those that dealt it, now no one will have to...smelt it. It looks like the charcoal filter on my deep fryer, and I'm supposed to affix that to my butt cheeks? I suppose that makes sense. But here's the question. Do you want people to know you're wearing one? What if you get caught in a compromising position with your pants down and that thing is just chilling there on your underbritches? How good is the adhesive? Wouldn't want that thing sliding down your leg. So many questions.