Blowtorch to the nads.
Now yer talkin! Either that, or one .45 magnum round apiece to the scrotum. Nothing is worse than a cowardly gang of thugs.
When I was 22, I was jumped by 15 goons from Roslindale, Massachusetts with clubs and chains. I put 11 of the 15 in the hospital; the State Cops who responded to the scene were shaking my hand, they couldn't believe it.
The Judge gave them all a suspended sentence with 6 months probation. This was 1978.
;-/