This is a new one to me too, and I am not entirely sold on this idea yet either. Setting your float 6 inches deeper than the water is much different then setting it 6 feet plus deeper. Lifting or raising a rod tip as Vic says is also much different then the two handed strike I see with this 'method' Im currently exploring.
What is the need for a float if its just going to be 'dead' anyway??
j/k
I have found slightly dragging bottom, for example at a tailout, to have scored a fish. But never dragging so much as to have to constantly strike and pull at it to get it off the bottom. I am a fan of changing a presentation yes, but not to the point that Im breaking off on the bottom and foul hooking/flossing fish at an unreasonable rate.
Being honest, I do wonder on the times at a tailout drift when Ive hooked a fish. When the float goes down I lift up gently to determine if it is a fish or bottom as Im well aware it is probably a rock, but on the uncommon times it does go down, it is often a fish. I still dont think they are grabbing it after the float goes down as the float rarely goes down in the first place so the occurances of me 'lifting up on it' are few. When the fish is there, it is there immediately as far as I can tell and isnt grabbing after I pull out off the rocks. But if this method does work, then wow, as the ratio to hooks ups to 'lifting up' is fairly high.
Im respectfully curious, Matuka Jack, at how many foul hookings do you experience with this dead float method fishing salmon in a river? I guess this depends on how you free the hook from the rocks, something Id assume would be more effective (bite friendly instead of snag friendly) if done gently instead of a nostrils flairing, two handed strike. Fishing this way in a lake for pike and bass etc would be similar to buzz bombing and fishing jigs I would assume?