In this idea presentation, Pseudopsychoenvironmencology Today provides detailed instructions for the construction of an old gag device. The accompanying cover illustration for the article here demonstrates one possible outcome as a caution to indiscrimate usage.
[arrow pointing to gag victim] Just had open heart surgery.
[arrow pointing to profile on left] His Doctor.
[Doctor's dialog balloon] Avoid shocks!!!!!
[sound effect on right] BRRRRRAP!!!