Re. post#41 tw were we discussing similar square rings as here:
http://37.media.tumblr.com/11f6d76d8...h3oxo1_500.jpg - or was there a design fault as here?
http://25.media.tumblr.com/tumblr_m0...uyto1_1280.jpg
(your post of 05-27-2012 in answer to me suggesting such)
Btw Naked Budd mentioned Parr of Arizona (his post of 04-25-2012) but
in that instance he was talking about D rings (so not what we are looking at now).