White ropes are tied around my wrists and pull my arms down. I'm restrained. But, my muscles are strong and I decided to break the ropes with my powerful biceps. I flex them hard and cause the rope doesn't break, I put even more effort into it. My biceps swell and bulge as I struggle to break the ties. The veins on my forearms also swell as my biceps bulge in exertion. Even though the ropes tighten around my wrists, I contract my muscles with even greater power. I tilt my head and enjoy the feeling that my biceps are becoming hard as a rock. I breathe deeply and moan with effort. And p... Show more