While most bike locks or travel locks are made from metal the Ottolock uses one of the most light yet powerful polymers known to man. Kevlar. The same material used in bulletproof vests, the Kevlar framework of the Ottolock allows it to be lightweight, but virtually indestructible. No amounts of strength can break apart the Ottolock.
Bulletproof Vest, Brand - GH Armor Systems, Description - Probably the most important wearable technology product on the market, bulletproof vests are obviously used to stop bullet penetration and have been used to save the lives of many individuals in the line of duty.