Not my website but that of Anthony Weir ... I just host it for him :-)
Anyroad, megaman rarely comes in here, but Jim does have his own little site:
Some lovely pics on there.
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Yes, there is a chocking stone holding up the capstone at the back. It is actually quite common and shows how particular some of the builders were about acheiving the almost across the board 21 degree tilt of Irish portal tomb capstones.
