Boom Sticking Krissy: The pressure is on. Krissy has one of the HARDEST and tone set of ABS. The tight stomach is hard as a rock and very solid. Applying pressure to her solid Abdominal wall with a Boom Stick and a solid lead filled wood ball just the correct size to strain, strengthen and mass squeeze her perfect belly. Crushing her Upper, mid and lower belly with shear compression at times thrusting the load deep as the ABS fight to flex out the heaviness and weight of the pulsation thump. Abdominal and bellyache make flexing difficult while throbbing impact driving the stomach muscles to... Show more