Yes, Parazapper said to soak the paper towels in salt water, and wrap it, one layer, around the copper pipes for handholds.
Hulda Clark said 5 taps per second is "moderetely effective" for killing the parasites, virus's, and bacterias--Doing all 3 rounds of 7 minutes, 20 minutes off.
I'm glad you posted that Doc, about just tapping the ordinary battery itself too. I did that and it works too!