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Reel slower.
really
You could try fizzing them...we do that during bass tournaments when they are caught deep and it works. You can find out how to do it on youtube.
I have had some success in dealing with this situation by pinching the barb down on my jig. If after setting the hook you think it's too small to be kept, give it some slack for a few seconds. They often will get off. It's not a perfect solution but it works most of the time. jperch