Take a good step to send your parents, I am relieved to go out! How to choose the old people's unpaid protective gear correctly? With the growth of age and physical degradation, the old people are prone to lumbago and leg pain, and the use of knee protectors can effectively warm the knee joint, reduce the pain of the old cold legs and other diseases, so the correct choice of the old people's protective gear has become an important topic, then how to choose the old people correctly? What about people's outgoing protective gear? We need to master the types and use of old people's walking aids. Let's take a look at the safety net together.