[Have you considered invisfil?
http://www.softexpressions.com/softw...ads/WNInvF.php
It is not a clear monofiliment but it is so fine, it is like silk and sinks right into the fabric)
Thanks Feline Fanatic - I am always looking for new ways and products to help me out and I think this will be one of them. I went out and looked and am going to try the invisfil.