How about the Tutianya Knee Booster?

Scientific and effective, it can relieve the heavy pressure and squeezing of the meniscus caused by body weight. Tatianya Company takes "prevention first" as its design concept. Its products use physical methods and combine ergonomics to design products to assist the knees and relieve the heavy pressure and squeeze of the meniscus caused by body weight. They are suitable for middle-aged and elderly people who love sports and field workers. , soldiers and students all have a good auxiliary role. Tatianya (Guangzhou) Technology Co., Ltd. is a company specializing in the research and development of knee and ankle assist devices. Its product boosters are divided into two types: autonomous and intelligent, and have obtained 5 national patents. Among them, the autonomous self-help knee booster has also obtained the International Patent Alliance (PCT) certification and is an original brand in China.