Alexa and Sasha - Bound slave takes Hard Ball Punching to Earn Orgasm from Dream Duo

What kind of torment will this slave have to accept to receive release from Alexa and Sasha? Full orgasms are not earned easily. Only when Alexa and Sasha are satisfied by their slave's suffering will they allow it full release. The two take turns. One strokes while the other strikes. Only slaves able to accept the pain can earn a full release from this dream duo.