Sos-Frog: the frog, with its rubbery structure, in addition to having a shock-absorbing action, has an important role in the mechanism of dilation and contraction of the hoof, essential for ensuring good circulation to the horse's limbs. In case of rotting of the frog , sprayed regularly on the affected part (two, three times a week) helps the regrowth of damaged tissues. Sos-Frog is also indicated in the presence of woodworms, abscesses and detachments.