The south-west wall, which is tolerably perfect, contains at its north end a door of the same size as that just described, saving that there is no portcullis, which, this being the inner gate, was not needed. The wall is here 11 feet thick, giving a very deep recess 10 feet broad, in which the doorway was placed. It is panelled and 15 feet high to the arch crown; the recess narrows to 7 feet 6 inches width, which was that of the doorway. The doorway is richly moulded, and the mouldings are continued down to the cill, showing that it was a door, and not, as some suppose, a window. There was, however, tracery in the head, of which a fragment remains, but not enough to show the pattern. In the jambs are a set of stanchion-holes, too large for the rods by which window-glass was usually supported, and which are evidently the remains of the bars inserted when the keep was used as a prison. The outermost hollow of the mouldings contains a band of delicate ball-flowers. There is also a handsome drip supported by two heads as corbels. Outside the doorway, in the wall on either hand, are two square grooves 7 inches broad and about 6 inches deep, and 11 feet apart. They commence at the stringcourse, which corresponds with the cill of the doorway, and are 6 feet high. Above this, 10 feet 6 inches from the stringcourse, and 12 feet apart, are two similar grooves, 7 feet 6 inches long, and which, therefore, reach a little above the level of the top of the doorway arch. It is evident that these two pair of grooves were connected with the drawbridge, the lower pair probably receiving the ends of the parapet rail, and the upper the struts supporting the beams of the bridge. Next to this door recess, in the inside of the chamber, is a small plain fireplace, placed in a tall pointed recess, like a doorway, and beyond this again is a lower recess, but broader, and also pointed, in which is a plain, square-headed window, 4 feet high by 1 foot broad, looking towards the inner ward. In the jamb of the recess is a side door, leading by a short passage into the well staircase from the kitchen, which also, at this level, has a loop towards the inner ward. The floor of this chamber at present rises about 2 feet, or 1 in 26, from the outer to the inner gate. This, however, may be a modern arrangement, intended to carry off the water from the asphalt with which the floor has been paved.