Pindot isn't mold :) It's dirt that gets into the pores of the plastic, like a blackhead. It's actually extremely easy to give a pony pindot but it's hard to remove. Use super hot water, as hot as you can stand it and scrape at the spots with the back of a butter knife. I find that to be the best way to get rid of it.I've seen other people refer to mold as pindot before a lot of terms for pony ailments get used interchangeably and it's really confusing and annoying to me