SD,
I have done as you have suggested before with limited results, yes it caught fish (at least one nice king) but not alot. Im NOT a die hard spoon tosser, I maybe throw them 2 or 3 times a year. Most of the guys that use them exclusively will probably equate wieghting the spoon as heresy, unless you are talking about thin bladed spoons (TBS's).
How heavy is this spoon you are using? Ive never used a "kingfisher", are they a trolling specific spoon? Most "casting" type spoons designed for salmon should have no problem getting down into the "zone".

RL
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No Sleep Pro Staff

They can have my eggs when they pry em from cold dead hands