Ranger docking-
Military Personnel on mission, or in a FTX-
2 males, 1 circumcised, 1 not. Place the tips of their penises together, slide the foreskin over the circumcised penis, making a successful dock. With free hands, firing weapons and letting the vibration do the work.
It's not gay if you're on mission or in the field a while.
Michael begged to be ranger docked after a 30 day FTX was extended halfway through. Jason slid up to him, they were ranger docking for hours until the ran out of ammo, and the OPFOR overtook them.