Product Review
Knock Knock is an award-winning purveyor of witty books and gifts. Our crackerjack in-house team creates humorous nonfiction and specialty journals from the ground up, and we also publish new titles from outside authors, bloggers, and other creative types.
- Deck of cards serves as a taxonomy of the rectal expulsion of gas byproducts of the mammalian digestive process
- Meticulously researched; peer reviewed
- Not just a great joke gift, also increases vocabulary and can be used to play card games
- Deck of 52 cards, each 3.75 × 2.5 inches
- Includes the crop duster, smart, smoke screen, one-cheek sneak, and many more
