How is the bill validator device used to cheat slot machines?

How is the bill validator device used to cheat slot machines? slot machine bill validator ReunityEnhance your arcade or coin-operated game with this ICT bill acceptor, designed for machines handling cash transactions Ideal for ages 3 and up, slot deposit pulsa 5000 tanpa potongan bonus 100 MEI Slot Machine Bill Validator Head SC66XXSCNXL8347GAR814 This units are PREOWNED and untested ' no cracks or broken parts ' see images

slot deposit pulsa 5000 tanpa potongan bonus 100 Vending Machine Woes: Top 3 Troubleshooting Tips for a Non-Working Dollar Bill Acceptor

slot jendela kayu Vending Machine Bill Validators for top manufacturers  In this video I show you how easy it is to remove and install a bill acceptor in a snack and drink