But there was no help for it: I turned and followed Gertrude slowly back to the house. The frequent invasions of the house had effectually prevented any relaxation after dusk. We had redoubled our vigilance as to bolts and window-locks but, as Mr. Jamieson had suggested, we allowed the door at the east entry to remain as before, locked by the Yale lock only. Popular Demand Shirt, Hoodie. To provide only one possible entrance for the invader, and to keep a constant guard in the dark at the foot of the circular staircase, seemed to be the only method.