Calvin Munroe at Badass Jewellery creates a bold, edgy collection, including skull, horseshoe and bomber cat rings. For the punk who has everything, he’s even got a toaster ring! Badass excel at custom work, so send Calvin your ideas and let him work his punkass magick!

BadAss products are stocked in several stores across the US, but you can also order online from their BadAss Storefront. You can even check out the Badass Jewellery blog for updates and randomness.