Rob2 wrote:

Likewise the 'braid leader knot' seems to
be suited to joining heavy mono to the braid, but not necessarily
similar test lines. What join do you guys use?

Rob

I have never fished for Marlin, but when I go after big sharks, I use a
double nail knot between the braid and Mono,, so far it has never failed me

--
Rodney Long,
Inventor of the Boomerang Fishing Pro. , Stand Out Hooks ,
Stand Out Lures, Mojo's Rock Hopper & Rig Saver weights, Mojo's Long
Shot rig
and the EZKnot http://www.ezknot.com