Sent to you by Chris Hunter via Google Reader:
Even for skilled craftsmen, hammering nails always carries some risk of smashing a finger. Next time you pull out the toolbox, bring some bobby pins with you too.
Simply use the bobby pin like a pair of tweezers to hold the nail in place until you've driven it far enough into the wood. You might not get quite as good a grip as you would using your fingers, but if you can make it work, but it should be sufficient for most situations, and it eliminates any danger of smashing your hand. Hit up the source link for more clever uses for your spare bobby pins.