Unless you've been living under a rock, you've seen the Bernie in his mittens meme going around. I'm a big fan of the gent and he's good people. He even took the meme and ran with it. His folks made a sweater using it, put it online, and have pledged to donate 100% of the proceeds to the Vermont Meals on Wheels. I don't know how many they made, but they're sold it. That's pretty rad.
Here's a fun 5e magic item related to the meme that you can add to your game.