Pull (someone or something) by (something) verb phrase
To haul someone or something by taking and holding some particular part of it firmly
You should take the puppy out of the mess by the scruff of its neck and don't pull him by the ear.
I pulled him by his necktie, and then I hit him on the head.
The verb "pull" should be conjugated according to its tense.
The origin of this expression is not clear.
King George V's last words