"Do you know what a Kanabo is? It's a goddamn heavy piece of metal club straight from Japan. In the hands of a strong enough person it makes for a truly destructive weapon. Now imagine such a club with blades and a strong electronic charge added to it. The effects? Total annihilation. Check it for yourself."
Found in Moresby, in the electronics shop where you collect the transformer and some cable for Carl in the quest Radio Ga Ga. The mod is on the floor in front of the counter. The shop is the perfectly rectangular building, two buildings east of the docks.