Fire goes in here, as you guessed, and when the green finger comes forward this lever may be turned for motion.
Rentokil offers a helping hand for those who make the right choice - it's even got green fingers on it.
He had green fingers, and the reflection from them showed in his face.
Was this not the Englishman with the green fingers?
He had more or less green fingers, my grandfather.
He seemed to somersault around and through the long deadly green fingers.
"Your cousin with the green fingers is one of the old ones," he said.
"Where would be our friend, he of the green fingers?"
And the show is open not just to those with green fingers.
It is easy to get your green fingers burnt by cultivating the wrong image.