Hi Jilted, those are good quality machines...
Consider that you put it on one of the most sensitive areas of the body!
Hands for now, more localized later. Why 1khz? If this zapper allows you
to pick frequencies, download the rife-bare-hoyland... frequencies for use.
Like the other person said, sounds like you may have upset the apple cart of parasites and their associates, I did when I first started. Fortunately, I was
drinking near a gallon of Ionized Water /day, washing the rascals away.Best PT