Before 5.11, stoppers, or cams, pushing the limits of climbing required pitons and a hammer. Black Diamond's hammer was introduced in 66 in Yosemite Valley where you would hear the satisfying ting, ting, ting of a piton being placed on a new route. Today, while climbing has evolved, stay connected to Black Diamond's roots with the tool still needed for some big wall aid climbs and new route establishment the Yosemite Hammer.