Yes there are women and men who like big cocks, dp, fisting etc. I have met women and men who have used some very big dildoes with some fiercesome shapes and attachments. I once saw a women being fisted in a club. The guy was wearing latex gloves. There was a lot of blood. When they realised how messy it was getting they stopped and got cleaned up. I have to admit I felt a bit dizzy with that one. Others semmed to enjoy it. So its down to the receiver, where, when and how far they go. I like being dildoed by a woman. But as others have said, scratching around by hand inside your body is risky.