In the lexicon of stupid ideas, you will find Paul Kweton’s Ring-O-Star handlebar-mounted cup holder. You might get away with a capped bottle of water—but hot drinks and carbonated beverages are entirely out of the question.

As you might expect, the design is only a concept at the moment. I mean, nobody would actually be dumb enough to produce something like this right? Uh…right? [Designboom via Wired via Likecool]