Gay BDSM deepthroat training with a strapless gag

Description: Meet the strapless gag! it goes into the mouth and opens up until it cannot get out anymore. it has a handy tongue depressor aswell to make sure the tongue stays out of the way. now for a little demonstration, the boy is tied up to a chair, his cock safely locked in a chastity cage and mouth spread open. he's ready for his deepthroat training ????