Soles4Souls is an American organization that donate used shoes and clothing to people who most need it. They have been running a campaign through June that sees you donate $1 or more and receive downloads for EPs and albums that cost much more on Bandcamp. Bands include Iron Chic, Mean Jeans and Not On Tour. For $2 you get 10 releases. And its for a good cause.
All info on the charity and the offer is at https://groupees.com/slime