This is from ‘The Antiquities of Warwickshire‘ by William Dugdale (1656).
Southwards from Haseler (but within the same Parish) is a Coppice wood, and in it a notable Hill, which is of such a steep and equall ascent from every side, as if it had been artificially made, so that it is a very eminent mark over all that part of the Country, and by the common people called Alcocks Arbour. Towards the foot whereof is a hole, now almost filled up, having been the entrance into a Cave, as the Inhabitants report: of which Cave there is an old wives story, that passes for current amongst the people of the adjacent Towns;
viz. that one Alcock, a great Robber, used to lodge therein, and having got much mony by that course of life, hid it in an iron-bound Chest, whereunto were three Keys; which Chest, they say, is still there, but guarded by a Cock that continually sits upon it: And that on a time, an Oxford-Schollar came thither, with a Key that opened two of the Locks; but as he was attempting to open the third, the Cock seized on him. To all which they adde, that if one Bone of the partie, who set the Cock there, could be brought, he would yield up the Chest.
There’s another strange small hill not a few hundred metres down the road, and this is called ‘The Night Cap’ on modern maps.
The other hill has been known as either the “Devil’s Bag of Nuts” or “the Devil’s Night-cap.” The former name is part of a well-known group of legends clustering round September 21st, the devil’s nutting day. And in the local form it ran somewhat thus.
The Blessed Virgin Mary took shelter beneath a hazel bush, somewhere near this spot, and the bush spread a thick shelter over her so that she was not the least inconvenienced by the rain. She accordingly blessed the bush, so that it should bear specially good nuts. Now the devil was anxious, as usual, to undo any good that might be done, so he came nutting this way, but was very soon detected. In order to escape he flung down the troublesome bag of nuts, which grew into this hill.
In the ‘Stratford upon Avon Herald’, 4th July 1913.