Rubha Charnain forum 1 room
Image by goffik
close
more_vert

Some do, yes. Others actually break the side of the stone they are in.

http://www.megalithomania.com/show/image/3862

Obviously, that one isn't natural :-)

Do bullauns occur on the sea shore?
If so then perhaps we can add bait mortars to the long list of uses for rock carved bowls on both sides of the Irish Sea.