He reached up and ran his fingers over the ridge and found a handhold.
He realized she'd found a handhold and begun to pull herself up.
Don found a handhold and steadied himself so that his feet would be on the floor when weight was applied.
He found a precarious handhold, pulled himself up a few inches, but slipped back.
After a moment, T4b leaned over with an answering groan and found a handhold of his own.
I found a handhold, down and to the right.
He reached up, located the next crack, found a handhold.
In moments he found a handhold, and his feet disappeared into the pipe after him.
Damon asked, hoping he had found a handhold, some reason to apply against this, "Who?"
He made his hands stop trembling, reached down, found a handhold, tested it.