you are right there was a machine called bolt from the blue when this machine was first relesed barcrest told the makers of bolt from the blue to change the program as it was the same as cloud nine so they did and the new program you had to watch for one of the hold buttons to flash and you would press the button which flashed and what ever symbol was there it would give if i remember right this machine was a £4.80 jackpot and roll for about £20 to £40