tear yourself/something loose
To escape or extricate oneself from the constraints of someone, something, or some situation with or as with a great deal of force. A reflexive pronoun can be used between "tear" and "loose." He tore loose from his attacker's grip and managed to wrestle the gun out of the criminal's hands. I managed to tear myself loose from the boring conversation and went to go find someone I knew.
tear loose (from someone or something)
to manage to break away from someone or something. The quarterback tore loose and took twenty yards for a first down. Barlowe tore loose from Bill and made for the door.