bone piston

  1. Rezechs

    Bone Piston Fuel Cell Lens Etching?

    Recently sold a pair of Bone Piston Fuel Cells on here, after the sale I never realized but the Lens etching appears to be on the opposite side than it is in all the other pairs i see online. Its on the outside edge on all lenses but on the inside edge on the pair I sold, did they make 2...