Barista : Excuse me sir? How would you like your coffee?
Customer: I don't care, as long as it's made in a RACING HELMET!
Yes, the visor opens
For all you non-coffee drinkers there is no need to worry. There is also a version for serving any beverage.
Make sure you pick one of these up the next time you have people over to watch NASCAR. That'll be never for me. No clue where to get one but you can try the assignee: beertubes.com