Biscuit's chestnuts are not thick and they peel off fairly easily. He doesn't have big ergots but Sarge's ergots look like spurs on a rooster
Some horses chestnuts grow thick and just keep growing out like an inch or more. Our old shetland pony had LONG chestnuts and a mare out at the barn had some really long ones last month that I cut off with a circular hoof knife while the barn manager held her!
They don't gross me out but hey...everyone has a different gross out level!