I agree with Scottbrachie. The strapon must be so secure that it moves just like a real cock . If her ass draws back 6 inches then the dildo should follow and be slammed back in likewise. My boss lady sure secured hers good and wore my ass out !!
Mt most hated thing: women not tightening their strapon harness straps. They're she is exerting herself, bouncing all around, going back and forth with 8 inch strokes, and yet in him the dildo is only moving back and forth two inches... Arrrggghhhh!!!