When the other two gentlemen have stepped away from the plank a bit, Doc picks up his end and shifts it so it's pointing straight across the crevice. To give it a hard shove and just keep pushing when the momentum picks up would be easy, but a surefire way to send it flying off their side of the cliff. Making it a controlled, slow and steady extension across is going to take strength and a few long minutes of hands staying plunged in the snow.

Should be fine though. He trusts them. Staying crouched, he waits until they give him a nod or some other recognisable signal before he breathes out a sigh and gets ready to go.

"Let's keep her nice and steady. We go on three." And assuming there aren't any hesitations or protests, he counts them down. "One... two... three."