If you actually do take a shot, I'd suggest using much smaller vibrators (or maybe even very very weak electrodes directly on your skin). As long as you can be

If you actually do take a shot, I'd suggest using much smaller vibrators (or maybe even very very weak electrodes directly on your skin). As long as you can be consciously aware of the buzzing or electric shocks, no matter how tiny, you will go ahead and develop the "direction sense". Using bigger vibrators will only waste electricity.