Gimme Metal (formerly Gimme Radio) is a free online radio station which is home to a ton of radio shows hosted by big names in metal. The interesting thing is, Gimme Metal also has an online shop with a section devoted to exclusive vinyl and shirts.
Currently there’s a Deicide box set, records from the likes of Power Trip, Nuclear Assault, and Cancer, and shirts from GWAR, Castrator, and Necrophobic. Have a look and see what you like.
