I use a fish descender all the time. I have the Roklees version, it seems to work pretty well for me. I once had a rokless and the shelton type fish descender ganged together on the same line...until the whole rig snapped off on me sending a fish down.
If you spend anytime fishing for rockfish, you really should invest in one of these devices. We have a wonderful resource in local rockfish, they are easy and fun to catch and they seem to be plentiful if you know where to look. So if you don't have one...be responsible and buy and use it while fishing for rockfish, the future of the resource is at stake!
