Self Service Car Wash Coin Changer Scam
1 Take a long balloon and insert about 1/3 of it in the coin return slot.
2 Hold it there while stretching out the balloon.
3 Slowly inflate and tie it off
4 Carefully tuck it up inside the coin return
5 Return after awhile with wire/ coat hanger and pop the balloon.
6 Collect your loot. It really works!!