Here's a running double off of an underhook set up.
YouTube - Underhook Double
It's of the non mat touch variety, which ideally you would just blast through somebody and dump them on their back. This can happen if you set it up really well and penetrate really deep, and/or turn the corner and run it really hard OR in mma, if someone commits to a big punch.
Realistically though your opponent is going to sprawl, and you are going to end up turning the corner and running that double. Sometimes your knee will touch, but as coach Adams
YouTube - Wrestling Instruction Penetration Technique by, Carl Adams
(originally posted by knox) subscribes to the "knee shoulder" rule, i.e., keep your head up and make sure you're knee and shoulder are aligned during your shot. It becomes harder to do when you drop levels but it's still a good rule to follow.
2026 Its a long way to the top if you want to rock and roll log!
