'Gin' in the Bible

A gin shall take him by the heel, And a snare shall lay hold on him.

And he shall be for a sanctuary; but for a stone of stumbling and for a rock of offence to both the houses of Israel, for a gin and for a snare to the inhabitants of Jerusalem.

Can a bird fall in a snare upon the earth, where no gin is'set for him? shall a snare spring up from the ground, and have taken nothing at all?