I don't know if you are talking about Sanda sandbags or leggings and wrists. If it is a Sanda type, it is necessary to exercise for a long time, mainly to contact the strength of the abdomen and calf. You can choose some convenient types to contact at home, which is very helpful to your health. Leggings and wrists are mainly used to exercise your physical fitness, which can help the growth of brain cells for a long time and contribute to the balanced development of your body and a better life.