This one is RED HOT!!! Brenda Smith and her step-daughter flexing their calf muscles together. They work with each other like no other pair. They start off by flexing and comparing their calf muscles. Brenda starts rubbing her step-daughter's calf muscles as she's flexing them. The camera follows them as they go downstairs, calf muscles flexing, and they walk. Aubrey, her step-daughter , finds a pole and gives a little pole dance calf muscle flexing show. The girl knows how to flex her calf muscles. They walk over to another set of stairs and walk up them together flexing their calf muscles... Show more