What’s better than a regular sword? One with a built-in stun gun. jonathanj9969 has posted a few videos of a double bladed sword with a stun gun built-in. It has a switch at the bottom and a wall charger. The trigger on the hilt lets you activate the stun gun feature quickly:
This stun sword was sold on eBay a while ago. Watching the above videos might give you an idea how to build your own stun sword though. What do you think? How would you improve upon this idea?