Pro-Tec Athletics Knee Patellar Tendon Strap Alleviates patellar pain, including conditions of tendinitis, chondromalacia, patello-femoral painProvides moderate compression to the patellar tendon, reducing forces to the femoral grooveHelps to stabilize patella, improving patellar trackingUnique attachment system allows user to adjust strap with one handStays in place How It Works: Knee Pro-Tec provides compression on the patellar tendon, helping spread pressure uniformly across the patellar tendon, reducing discomfort and irritation. This compression may also help stabilize your patella, improving its tracking. In addition, Knee Pro-Tec absorbs stress to the knee, reducing vibrations in the femoral groove.