Brickwarriors are Premium minifigure accessories that are compatible with LEGO minifigures. Each set comes blind bagged, but here's the catch - the back is transparent so you can actually see what you are getting. What a great idea.
All accessories are compatible with standard LEGO minifigs. Not only is LEGO cool with this, they are actually one of their best customers.
There's also a game that uses the accessories. Since they can't include LEGO figures, they've made their own slugs to attach the parts to.
Fpr more information, visit http://www.brickwarriors.com/