I really enjoy the reaction of the slave to nettles. Particularly those moments just before being stung, the expectation of it all. I have in order to help myself enjoy it more invented a machine I have called DNA. Dynamic Nettle Applicator,
It consists of a box channel with a two by one inch hole, just large enough to allow pussy lips to drop into. The subjects legs are tied together, clamping the channel in place. I must admit I do not often tie legs together.