Often the arms of the chair have hand holds or arm rests for the mother to grip, providing extra leverage.
But clearly if you're a union negotiator you want to have this in your pocket as extra leverage to use against the company.
We'll save them right until just before the deal closes, when we might need just a little extra leverage.
The odd job he's best at is if somebody needs a little extra leverage to use on somebody else.
It also made a hero out of cousin James at a time when he needed some extra leverage with his father.
I knew they had tried to find it out, to kidnap me and bring me to be tortured in front of him for extra leverage.
Orton won the match with a roll-up while using the ropes for extra leverage.
Then they may pull the victim into their body for extra leverage and control.
This device was used to gain extra leverage when throwing a spear.
She angled herself against the wall, trying to get some extra leverage.