Couple more observations after Sep-Oct use on the Skeena & tribs:
1. Matzuo 1/0 hooks straighten out too often to be trusted on big fish. I've lost 3 large steelhead to partially-opened hooks, likely nose-hooked bucks. That was too many so I started looking for alternatives. At Canadian Tire, I found Eagle Claw L-1 style octopus hooks in #1 and #1/0 sizes which are of heavier gauge stainless steel. Too early to say how well they'll do, but for now they are holding up.
2. I couldn't find the exact hooks online for a cheaper bulk purchase, but at luremaking.com 100 Eagle Claw 1/0 Octopus hooks were $12 plus postage. It's a Canadian outfit, so the postage wasn't too bad and the service was prompt. (They have a minimum order of $20 so I bought some lure tape as well for jazzing up the spoons.)
3. Threading that Dacron loop through the hook eye can be tricky with the Eagle Claws. Here's a trick from an old trout fisherman who saw me struggling. Take your preformed loop of Dacron. Threat a short length of mono through the loop. Feed both ends of the mono through the hook eye. Pull on the two mono ends to draw the loop through the hook eye every time with no muss or fuss. Remove mono and rig as per normal.
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After many more hookups and fish, I'm convinced that the trailing hook method hooks a higher percentage of strikes and lands a higher percentage of those fish hooked than does a Siwash. The trailing hook has to date hooked 1 (out of maybe 75) springs and steelhead outside the mouth, and there's been one spoon swallowed (a spring, which I kept) with resulting heavy bleeding. So I don't think the method leads to snagging fish in the face, or more hooks in the gillrakers.