you mean like the Rampant Rabbit Thruster? or that fuck machine thingy tesla posted? and you can do that just by having a finger up your arse.
cor!
what happens if it's butt plug?
it is the moment.
the moment that you stick your finger in my ass i am sho shocked that i simply gyrate with exstacy.
and with your finger positioned correctly, you can actually control my movements without saying anything.
how is that for an advantage?