I'd recommend that you try the Palomar knot instead of the improved clinch knot. It doubles the line through the eye and, I believe, tests out better for knot strength at 90-95% of the line strength.

I'm sure there are pictures on-line for it. You make a loop at the end of your line, put it through the eye of the hook/swivel/ring, tie an overhand knot and you'll have your gear hanging in the bottom of the knot, take the large loop and pass it over the lure/hook/swivel, moisten and snug it down. It is easy to tie, especially on the river when your fingers are cold - you just make a bigger loop.

I concur with the recommendation on heavier leader for hootchies - I use 50 lb test and tie off to a swivel with a 6/0 siwash. I bend the point of the hook out about 5 to 10 degrees and then bend the point down a little. I found out this summer that my hook-up ratio, at least on coho went way up by not having more than 18" of leader behind the flasher/dodger. That might be a little to agressive of spin for chinook and you could go a little longer which will give you hootchie a little slower rotation.

For spoons, I use 20# test and run them 4' to 5 ' behind the flasher/dodger as they have their own action. The heavier leaders tend to kill the action of the spoon.