Secrets of the Costco TP Trunk Test Revealed!

People have an awful lot of questions about my trunk measurement metric. Here's how it's done, why it's done, and what I do with all that toilet paper once I'm done. And yes, I've heard every joke and comment imaginable while wheeling out all that bath tissue into the parking lot. Special thanks to all the fine folks at Costco that make it all possible. It's a great group of people.