Money play slot machine mistakes to force a win. You have two different ways of forcing the machine to win... The first way is via system errors that have to be entered at a certain point in time (mystery picture). The second way is via manipulation using a wire and a device......this manipulation requires some skill but is rewarded with a money save of $1,500 or €1,550 per pass. Working devices : NOVO Primus NOVO Primus Pro Crown Master PRO Crown Master Plus Crown Tradition Merkur : Vision Slant Top Vision Slant Top SL M-Box Max Trio and many others just ask