He held it with his thumb while a portion of the opposite wall moved aside.
He held the spoon against the side of the cup with his thumb and drank.
He held it with his thumb on one side and all four fingers on the other.
She was holding the cheque with her thumb and fingertip.
I dropped my little finger and held it with my thumb.
If you hold one right and press on it with your thumb it opens up like a fan.
Chekov held the pin in place with his thumb and started working the laser free of the station's ceiling.
A way to insure that this happens is to hold it principally with just your thumb and index finger.
He pulled back the hammer and held it with his thumb.
He held the big Colt down at his side, with his thumb over the hammer.