im a ballerina and i do pointe everyday for at least an hour and 45 min and i have 3+ more hrs of technique also and i have calluses really bad all over my feet but in my pointe shoes it feels like im getting a blister and the pain is sooooo bad but i take my shoes off and its no blister, just still a callus, it hurts just as bad/worse than a blister. what do i do? what is it?