I made one from a 11/0 halibut hook grind the barb down then tie a ganyon on eye leave about 10 inchs with a 1 lb ball then on the top of shank tie another ganyon to a quick realease send it down on downrigger OR the weight 1 guick pull fish is at the depth DFO saw my set up and said what a great idea , CHEAP easy and works ,,,,, just like me!!!! LOL