Hi All,

   Maybe this is one of those things that isn't terribly obvious, but -
having used a variety of screw type clamps - I'm wondering why
plain old spring clamps aren't suitable for this application.  I can't
ever remember having one fail in service.  (photos below)

Dale R.
COZY MkIV #0497
Ch.12; Ch's 13, 16, 19 & 23 in-progress