I've been using jaw jackers for a couple years now, and I don't walk out without them. Recently I left my old school tip ups at home and only used the jackers, they are lighter and take up less room in my sled. I've caught crappie, wipers, saugeye, and cats in the last couple outings on them, while Dave sat on his bucket day dreaming of dancing in a field of flowers in his yellow suit wondering why he wasn't catching fish and I had a pile on the ice. All kidding aside if you don't own one your not going to catch as many fish as the guy using them next to you. These are a great product and I can honestly say they double my catch every time I use them.