Frozen feather
From A KoL Wiki
Generally, if you're going to freeze a duck, you should take the feathers off first. Someone didn't follow this advice, and now you've got this frozen feather. I guess you could use it to tickle a snowman. I mean, if that's your thing.
(Meatsmithing component)
Type: combat item
Selling Price: 55 Meat.
(In-game plural: frozen feathers)