The reaction of the motion brought him slowly but surely to a handhold in the wall.
I leaned as far back as I could, and felt about for a handhold.
Except on the very edge of the abyss there was scarcely a handhold.
Then he had to snatch for a handhold as the spider-machine lunged into a dead run.
He clutched the handhold and rolled backward, as he had seen the men do.