You Really Shouldn’t Snack on Urinal Cakes

Is this really a thing?

Rarely seen by women, this little tablet is a part of many men’s daily lives. What the hell is in a urinal cake, why does it work, and could it possibly be used to make a deadly poison?

Source: You Really Shouldn’t Snack on Urinal Cakes

Guys, women’s rooms do not have urinals.  They have skirts, so it’s just a drain and little indentations in the concrete for where to place your high heels.