Eric

"Okay, here are the cars... "

"Sweet!"

"Okay, now you know in 'Back to the Future'? Where the Delorean has to be going at at least 88 miles an hour?"

"Yeah?"

"Well, it's kinda like that. The car has to be going really fast or the device doesn't charge. Hence all the hotrods."

"Yaaay!"

"Plus... Ummm... There's a complication. You have to be going in a circle. You have to close a loop."

"No probs, man, I can donut like anything!"

"No. I mean... Ummmmmm...... Vertically."

"... " <lost for words>

"Let me show you our special track... "