The Z Zag System for Slot Machines: Fact or Fiction?

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 isThe z zag betting system is for the winning symbols of the slot machine to be in view. Most punters use this system when they see the winning combination appear in a