A person could take Kings with just a weight and herring and they do. IE. the moochers at the point, etc. but I think that you are probably talking about trolling.
So with that in mind, a person with a downrigger and not much knowledge could take that setup and put in at a certain depth every time, and probably be able to hook up.
The same person doing this with a mooching sinker is probably just shooting in the dark and will probably be the guy getting snagged by the boat passing by with the downrigger out.
Keep in mind that I am talking novice here.....before downriggers, that is how all of us fished, unless you count the meat-line.

Ng
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C/R > A good thing > fish all day,into the night! Steve Ng

Dad, think that if I practice hard, they'll let me participate in the SRC ?
[Gig Harbor Puget Sound Anglers....Join your local chapter. CCA member