Fish vertical, slow troll or push with Mr. Crappies Troll-Tech Double Down Rig. The double-drop rig promotes vertical fishing and trolling with two #2 hooks 15 apart and loaded with live shiners. A black crappie sinker rests on the structure at all times so shiners hover just above for consistent strikes. Double the fishing opportunities with a swivel at the top and two loop knots with plenty of distance between. Ready-to-fish and tangle-free. Per 3. Sizes: 1/2 oz., 3/4 oz. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Bait Rigs.