As far as distance behind the ball, as a general rule guys will lengthen leads the shallower the fish. Some like it short some like them longer, experiment but those lengths will work. Shark weights are different than fish weights. They both catch fish but keep in mind. That depending on weight and shape of the weights they make track different. For example If you want your lures 110 foot down and you are using 8 or 10lb weights and you have your rigger set at 110, between lake currents and trolling speed your lures might not reach. Pay attention to the angle of the rigger cable, that will tell you a lot.
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