[Slot Strategies] The Z Zag System

zig zag slotI currently use z zag harrows on the back of my tine drills to fill the slots. Unlike most z zags though, they are hung on four chains. As the harrow is pulled back, the chainsZ Zag is a Trade Stim. by Groetchen Tool & Mfg. Co. (circa 1931). Information about it's history and background, photos, repair help, manuals, for sale and wanted lists, and census survey is