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Anyway my main concern would be wieght. I'm getting 4frnt YLES and j skis(I'm selling my other skis). So I have dukes for a touring setup but they are super heavy. For days when there's pow I wanna take off weight and put jesters on. Anyway I was wandering if the quiver killer inserts make the ski much heavier or just a little heavier. Would it be worth the purchase?