Wetting a dry mouth starring in video padronagaia/Mistress Gaia

I’m training my new slave as shoe licker, or better, as a shoe-sole licker. I have tied him down, so that he is completely immobilized; he can only move his tongue, which is the only thing he needs. I’m not happy of his performance, it seems that his tongue is too dry and he cannot produce enough saliva. But I have the right solution for that. I squat over his face and …. I let it go; soon his moth is full with my pee. He must be really thirsty, since he quickly drinks everything, without