"I draw my tongue back into my mouth, swallow the hint of street dust I’ve just licked off her boot, wet my lips so they will glide across the leather more smoothly, then lick her boot again, again, again"... From bootblacking to oral sex, Spit Play is an important part of our kink community! PrimalPiggy shares ten facts about saliva to help you see how Spit may fit into your kinky play.