Phreak and Dogfish are right on the money. I use a digital line counter on my diver rods. I don't like stacking on downriggers. It works but I always tighten one too much and pop it. If fishing is slow, I always run two downriggers and a deep six out the middle in the back. We have caught huge kings on it. We also use flasher/spoons behind it. It is a little tougher to land them as this setup is longer than the rod. I fished Neah Bay and Westport hard this year. A total of 28 days from the end of June til three weeks ago. When I had 5 people on board, I had 5 sets of gear in the water. I used 2 10'6 rods with dipsy divers out side of the downriggers (with the deep six still in the middle). These have a weight you can rotate and it pulls away from the boat. You do not want to do this when the bite is on if you are into big kings or coho above 12 lbs. You will have a mess. We only do this during the slow periods. Our deep six out the middle has been very productive. In fact we learned that kings are up higher off of it. We would be fishing 90' plus and the deep six was always at 42' of line on the counter. The kings always slammed the deep six. There are different sizes of deep sixes. There is another one just added with more weight to it to pull even deeper. I think it is called a double deep six. I believe the standard big one is #2. I had a deep six for years before I ever tried it. My friend came out and fished the race track with us. He caught a 10# blackmouth right in front of us with a green spatterback hootchie-no flasher. This everyone says is wrong. I put one on the deep six and had a big one hit too. Yo will need to adjust the screww and make sure you can pop the clip on it. Also run at least 20-25# main line as this tends to be a lot of stress on the rod and line. Use a rod of 20#s also. If you cannot pop it reel it in slowly and loosen the set screw. Good luck. I wouldn't let anyone talk yo out of it.