the three guys on the side, looking like they also want to get in on the action... Seriously though why are they shirtless.
What they're doing is hand-to-hand combat training, but their positions and toplessness piqued my imagination so I wondered how men protect themselves against surprises.
Grab hard and dont let go till its purple or blackish. Well looking at the pic, theyre training under cold weather to gain freeze resistance skill.