yep thats them, work great. I used to fish alot from my pops house right on the water in bradley beach. I would bring 2 rods and live line bunker w those. U tie a heavy sinker like 4oz for example, and chuck it as far as u possibly can. They make the sliders that twist on the line afterwards, dont need to thread it thru beforehand. Make a leader like 5-6ft and tie the hook and a swivel on both ends and clip it on w a fresh bunker. Lift ur rod as high as u can and it slides the bunker down like a zip line. The sucker can swim up and down on his own and on a bait runner reel u know when u got one on, it would prob work just the same in the river w some live bait or a small sunny
