They are low high temperature.

Apply under knees a bottles with cold water, or pads with.
A cut for horizontal a salted cucumber, and for three pieces, they are not thin, and on heels to put theirs,wearing socks, fixing with plaster.

And when cucumber will to warm,and wrinkle to remove theirs,legs warm water to rinse,rub,wear a dry socks, a check temperature, and will low fractionally to repeat cure is for children.