Female top over sub-male, then switch same couple to Male top over his female sub. Just to get even. Female ties sub on his hands to ankles. Female top plays with and whips sub's ass, cock and balls. Pushes a big headed vibrating butt plug into his ass, has him eat her to orgasm while she is still whipping him. She doesn't let him cum.
Switch to her tied ass up, whipped, ice cubed, ass-fucked, both cum.