The Z Zag Method of Winning at Slot Machines

zig zag slotZ 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 isPatrick discusses a slot games system he refers to as the Z Zag Slot System. This system is supposed to increase the probability of winning on a slot game