Some of them were deep enough to put his thumb into.
"See what happens when I put my thumb the way he told me to?"
I put my thumb up and gave him a smile.
Do not put your thumb over the end of the unit.
"Just be sure you put your thumb over the right hole."
I put my thumb on mine and stepped to one side to have a clear field of fire.
She put her thumb against the edge of the cover and lifted it.
He put his thumbs away and tried a different tack.
Put your thumb at the bottom of the pump bottle.
Henry got hold of a match, held it up, put his thumb against the tip.