In other cases a hook or prong is bent to change the spring tension.
Old muskets fired by a fusee, with a prong to rest the barrel on.
Then one man has a rake too heavy for him, and another a prong too light.
Had we turned up the other prong we would have frozen to death.
With one prong of a compass in the centre of Hudson Bay, describe a circle.
"I'll take the one ...