The Hg80 Knee Brace made by Mueller is a supportive brace with steel springs installed on both sides of the knee. This keeps the knee and leg in support yet allowing it to make sufficient movement. It is used for fee-based sports like soccer, football or baseball. The reason why it has a perfect design suitable for the game is that in these games the players run with a lot of weight to the front and on their upper body so heaving a heavier brace on the knee is a smart choice. It also helps to control the subluxation patellar muscles. This is best for knees that ache a lot, get sore and are a bit unstable. It has the perfect compressing abilities.