Come on guys, that's no cup holder!? It's an 'liquid capacity extender'. OK, that may be a bit tech-speak, but it's meant to offer a neat solution for the following:
*storing a little emergency fuel for those naughty b-road detours
*sneaking in extra brake fluid disguised in a Coke Light can on track days
*holding a empty, easy-to-fill container for the days that your girlfriend absolutely demands to join you on any of the above-mentioned exploits...
I think it's pure genius. Come on, on cold days it could even double as an easy to reach mittens and 'beany' holder, and in summer you could hang your sunglasses on it. Better still, it's just about the right size to fit in a rolled up copy of the financial times! Come to think of it, that may be the real reason d'etre; after all the show-off-but-can't-manage-the-clutch-properly city boys probably make up Lotus largest pool of clients? Since they right them off every Friday after the office drinks session that's not to hard to believe is it?