Lobsters are cool but...

Lobster gloves seem like the perfect balance of finger grouping for warmth vs dexterity to ride. There is a problem, though. You can do this:

But you can't do this:

And sometimes the second one is essential. Like when you hear some raging metalcore.

Oh, and these ones don't leave room for chemical handwarmers making them useless for me in the Iditarod. Good for UK, though.