That lock is opened with a key, because: (Gen. 4:7)... sin crouches at the opening∞petaḥ... That sin will be removed, and the gate will be opened. It is this that is written: (Ps. 118:20) This is the gate of Y”Y... And they will see Shekhinah there, of whom it is stated: And this∞zot (Malkhut), (Ruth 4:7) used to be (le-phanim) the manner in Israel...
Another word: (ibid.) And this used to be the manner in Israel, regarding redemption and regarding exchange... regarding redemption – this is the Higher Shekhinah, higher Hei, and regarding exchange – this is the Lower Shekhinah,