Alcoholics, rejoice.

For a mere $45, you can own flip flops with a hidden beverage storing compartment. 

What's funny is that my initial thought was, "Oh! I can store an emergency stash of Diet Coke!" 

Then my second thought was that my former high school guitar teacher would be an excellent spokesman: 

"For when the kids discover your mug is full of warmed whiskey with coffee splashed for flavoring... Meat Head!"