These Proguard hand and lever Proguard System, Lever and Hand Protectors are designed to stop accidental brake application in addition to reducing damage to hands and levers.  Be like Pros!  The proguard system has been recognized in competitons.  It is also a requirement for lever protection in the FIM regulations, the system not only has been approved by the committees of safety,  but it is currently used by almost all the participants in the World Championship Moto3,  Moto2, and MotoGP. 

*Proguard System is a registed tradmark of Rizoma.  Picture source: Rizoma