spinners are my favorite way to catch summers, half-pounders, and coho. I've experimented with just about every combination you can including wide gap trebles (work pretty well but really tear fish up), siwash (work good but lose many fish within the first 5 seconds) but I do have 2 favorites. As mentioned by Neon above, Gami Big Rivers work great but an equal favorite is a Gami octopus provided it's on a barrel swivel with a split ring on each side. It's sort of an Eye Doc hang-back system but on a spinner. I prolly lose some more to the rocks than I do otherwise but not too many.

The siwash need a angle bent into them (like an octopus) to perform well IMHO.