Not actually had a problem with an ATM, but recently after successfully withdrawing £200 which was delivered in 10 x £20 notes, I began to count them, discreetly. A gust of wind came and blew one out of my hand and across the car park, under the cars. I carefully pursed the remaining 180, and began to crawl around the parked cars, with no luck, though I had a feeling that it was under a particular car. The 10 year old occupant, waiting for his mum presumably, looked at me as though I was mad, so I explained what I was doing. He immediately jumped out and crawled under the car and ...bingo, it was wedged behind a wheel. I resisted the urge to hug him (not PC, sadly) and instead gave him a fiver for his efforts. He was really chuffed. Then I waited for his mum to come with her shopping, to explain why her son suddenly had a fiver. All's well that ends well. but I did feel a bit stupid