Depending on the use of magnesia, you need to choose the form in which you buy it. The most common forms that contain magnesia liquid, bar and powder. Each has its own advantages and disadvantages. But in every sport it is customary to apply some form of magnesia.
Apply magnesium need where you want a good grip between the hands and the projectile. It's climbing, gymnastics, weightlifting.
In climbing, is used exclusively of powder of magnesia. It should be kept in a special bag. For fastening this bag it is advisable to tie it to the strap or backpack in the center of the back. To apply the chalk you need for a better clutch hand with the rock (vertical obstacle). To do this, lightly sprinkle the powder on your palm and RUB it.