EVIS-320 - Legs stiffening at the moment of climax: Real self-pleasure

She stretches her legs straight every time she hits the peak, feeling the pleasure with her whole body. Why do women find it easier to climax when they extend their legs during self-pleasure? It's the same instinct for both men and women. The way her toes are pointed is proof she's really into it. Check out the moment she can't hold back anymore and her legs stiffen as she releases.