Diamonds can't keep you warm

'Tis the season for incessant jewelry commercials on TV. They all have the same disturbing (in so many ways) subtext: a man who doesn't give the woman in his life jewelry for Christmas is a schmuck. The only good thing about these commercials is that they make me turn the TV off.

Surely I can't be the only woman who would prefer to receive yarn rather than diamonds. Where are the yarn commercials?