I have your key here. What do you think I should do? Would you like to be released from your clamping punishment? See, I’m not entirely sure if you deserve it or actually want it. - kalyda - femdomvideos
In the erotic context, a nerve or needle wheel is used very often for physical punishment and enjoys great popularity in the use of different parts of the body. You can buy one or build it yourself. - Lady Julina - bound-n-hit