So you love building your own custom wearables? This Batman Electrocutioner Taser Gauntlet is a project worth a look. It has a master switch to turn on the power and a firing switch that you can put close to your thumb. The material is compatible with velcro, so you add additional components.
More gadgets like this: here
Punch Activated TASER Electrocutioner Gauntlet / Shocker Gauntlet - w/ BoXZY
You are going to need a high voltage generator, glove, accelerometer, microcontroller, push button, and a few other simple parts to get started. G3AR has shared more info about this project here.
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