Finger Keepers Blown Glass by Luma Blue Glass Art Ottawa Luma Blue Glass stands as Ottawa's premier destination for glass jewelry, ceramics, blown glass, marbles, and a diverse array of accessories, including the innovative Luma Blue Glass Finger Keepers. The Finger Keeper, a skillfully blown glass piece, serves as both a stylish one-hitter and a solution to keeping your fingers odor-free. Simply insert your joint into the end for a seamlessly smooth inhale.