open lock on blue

alleviate bar brad business catch close coupling deliver detach discharge disconnect disengage disenthrall disjoin dowel ease emancipation extricate fastener free key lag latch lax liberation lock loose loosening manumit metaphor mitigation padlock peg pipe relax release rivet rod separate skewer slacken spike stake staple stud unbar unbolt unbuckle unchain unclasp undo unfasten unfix unhitch unhook unlace unlashing unlatching unleashing unlock unloose unpin unscrew unsnap unstick untieing untightening