http://www.lexproducts.com/catalog/P...ts/lexloc.aspx
There ya go...
My opinion is it just takes a screw driver to get it right... do we really need this? You already have the tool in your hand to open the thing... And as far as tentioning goes, if you do it right once and with proper strain reliefe its really not an issue. I have a feeling that this thing would cause more harm then good.