The Valley Of Vision

In single file they crept through the prepared opening in the barbed-wire entanglement, and so out into No Man's Land, where they took up their spike-team formation. Phipps-Herrick was the leader, the other men were the wheelers. They had agreed on a code of silent signals: One kick with the heel or one pinch with the hand meant stop" two meant "back" three meant "get together." They carried no rifles, because the rifle is an awkward tool for a noiseless crawler to lug. But each man had a big trench-knife and a pair of automatic pistols, with plenty of ammunition."