“granny muscles” turns a simple bubble bath into art. Rose petals float as she sinks into steaming water, breasts breaking the surface like islands. In “granny muscles,” foam slides down curves while she pinches nipples hard enough to gasp. One hand disappears beneath bubbles; “granny muscles” catches the rhythmic splash that betrays what she’s doing. Legs hook over the tub’s edge, toes curling as “granny muscles” records her back arching, water cascading off her body with each wave of pleasure. “granny muscles” ends with her floating, utterly spent and glistening.