I bought this as a joke after seeing it online, and it ended up being way funnier than I expected. I've used it on friends and family, and the reactions have been hilarious every time. Definitely one of my favorite impulse purchases.

I brought this to a get-together and after the first prank, everyone wanted to give it a try. It had people laughing all night and asking where I bought it—such a simple but fun product.

I wasn't sure what to expect, but this thing actually works. The mark looks realistic, it's easy to use, and the reactions are always funny. I've already gotten more laughs out of it than I expected.