his thumb
Synonyms
Examples
He who has his thumb on the purse has the power.
And of course we are familiar with the English common law rule of thumb that said a man could in fact use a stick no bigger than his thumb to discipline his wife and family.
The Oracle rose. As one, the three witches bowed. "See?" Bran jerked his thumb at the three women. "That's how a woman should treat a man. Next time you see me, I want you to do just like them.
The real unlucky one will sprain his thumb when he blows his nose.
He has him under his thumb.
Rare is the person who can weigh the faults of another without putting his thumb on the scale.