@cum I used to use a disposable razor, people always get so scared but I have never cut myself, I go slowly and do it in batches though, if I get tired of holding a position I don't risk it, only shave when you have energy to do the stupid stretching stress positions to get in there and shave that hole. If you can't because it's too hard, try wax strips but be careful, you could also try nair but be careful, people can get serious burns from hair removal creams.