This one is for the fitness crowd. Not the cross fit wussies though.
You tie a weight to your election. You use the throbs to lift the weight connected to it.
Equipment needed: shoelace, weight plate(s), post workout supplement such as creatine/bcaa's.
Women have kegels. Men have cock curls. Even the buddhist monks hang weights from their scrotums for toughness training exercises.
When when one or more men wrap the female's hair around their cock, simulating a curling iron, and then jams it down said female's throat.
Man, she came in for a haircut, but I had to give her the Curling Cock Special.