Swimming plugs are pretty simple fishing lures to use, but sometimes they get a bit out of kilter—and you need to tune them. You'll know the time is right when you see your plug swimming sideways, or in extreme cases, even spinning in circles. Fortunately, tuning a fishing lure is a relatively simple process. Just grab a pair of pliers, check out this video, and you'll never have to watch your lures swimming sideways again.