
Have you ever played one of those coin pusher arcade machines? The ones where you drop coins down onto a shelf that moves back and forth, hoping to cause a chain reaction that will dislodge a little avalanche of money into the prize tray?
If you're anything like me, your memory is probably one of despair and frustration. Designed by the most nefarious minds in engineering, they are the ultimate anti-climax generators, always seeming tantalisingly close to a payout and always stubbornly refusing to give one up.