Knee Sleeve - Assassins Knee Sleeves by RockTapeNEW from RockTape, the ultimate weapon for workout domination Assassins, an entirely new generation of knee sleeves. Assassins will keep you ahead of the game keeping your knees supported and protected while slaying reps and crushing WODs. Provide joint support during grueling workouts and lifts Protect the knee from abrasions during lunges or obstacle course racing Provide VMO (vastus medialis oblique) support Stay put with a unique organic design,