v.remove the pins from; unfasten the pins of

Unpinning of the Fermi level on GaAs by flowing water
Unpinning and Removal of a Rotating Wave in Cardiac Muscle
Unpinning of Fermi level in nanocrystalline semiconductors
Unpinning of a rotating wave in cardiac muscle by an electric field
AB9-6 : Mechanisms of unpinning and termination of ventricular tachycardia
Fermi level unpinning of GaSb (100) using plasma enhanced atomic layer deposition of Al2O3
Band unpinning and photovoltaic model for P3HT:PCBM organic bulk heterojunctions under illumination
Entropy Factors for Thermally Activated Unpinning of Dislocations
Control of Schottky and ohmic interfaces by unpinning Fermi level
Progressive unpinning of Thwaites Glacier from newly identified offshore ridge: Constraints from aerogravity