Also, the line always seems to run true as do lures attached to it and it definitely lives up to its name in the water - it vanishes, which I think has huge advantages for tempting a strike from a finicky trout.
While this setup has served me well, probably even more important than what is above the water is what's below.
I am crazy retentive about my hooks and leaders.
I've found more fish either get missed or simply do not bite at all because of poorly designed trolling rigs than any other factor and I never run factory-built.
I also hate to waste time on the water, so I ready a number of leaders beforehand of varying length and tip each with different hooks and flies to change up the offering.
And, if you think I buy the best when it comes to equipment, that goes tenfold when it comes to the detail stuff like hooks and snaps.
I run SPRO ball bearing swivels with interlock snaps (yes, they are $1 apiece - but ball bearings are a fisherman's best friend and they don't come cheap). I tie one on my line, then another to the top of the leader. These snap together so I can easily run a lure between. Changing them out takes seconds.
From there I run about 8 inches of line to a SPRO ball bearing swivel. I'm a big fan of swivels, they allow the bait to run true behind the lure and are key in landing a big brookie - as anyone that's had a three pounder to the net can attest.
Then I finish it all up with about 10 more inches of line tied between the in-line swivel and a number 6 Gamakatsu baitholder hook that I hand tie to the leader.