Let me first say that a red that chases and eats a lure or fly is by far the exception rather than the rule. Yes, I have seen it happen, but we are talking about a fish that rarely hits anything offered it in saltwater, much less on a spawning run. The key to catching them in the mouth (the only legal way) is to present the lure or fly at their level for as long as possible during the drift. This is accomplished by using the proper weight and technique. You also can't give them any time to spit the hook before it is set. Having done it many times and been observant in watching other people who were very proficient at it, this is what I've learned: 1) Don't try this technique while standing shoulder to shoulder on the Russian unless you enjoy conflict! 2) Use just enough weight to barely tick the bottom during the drift. 3) Don't cast upstream as this gives you too much slack and results in more bottom snagging. 4) Make your cast straight out and immediately point your rod downstream. This allows you to set the hook with a downstream motion so that you are pulling the fly into the corner of the fish's mouth, not out of his mouth. 5) Try to visualize what the line between the sinker and the fly is doing. You want it to remain as straight and crosscurrent as possible. This reduces the delay between the time the fly goes into the fish's mouth and when the hook is set. 6) When you do feel the fish, set the hook with a low horizontal downstream sweep, then lift the rod vertically to fight the fish with as little of the line in the water as possible. On the Kenai, the first 20 seconds are crucial in keeping the fish out of the main current. Some of the reds in the second Kenai run are very large, and, if they get out in the current too far, you will never land them. 7) Lastly, at the end of the drift, sweep the rod low and down current to remove the fly from the water. An abrupt upward lift snags fish and wastes your time and people around you, in addition to being unethical. If you are snagging fish constantly, your technique is wrong and you need to rethink what you are doing. If you use this technique and are observant about what is working for other people around you, I promise that you will have good success on reds.