madgaffer wrote: Brad Kell these guys explained it best I believe . If I could add in plain English the tells are meant to separate in a way that basscat can determine where and how much the hull has flexed . This will assist them to determine impact , abuse , deficiency , or something unusual . I dont think anyone was trying to accuse you of abusing your boat . I personally say run it hard and take good care of it and get all the enjoyment you can .This was addressed by Rick Pierce personnally, at our owners event last weekend. We had a discussion about these. He implemented these years ago, so he can look back there, to help him determine how rough of water the boat was run in etc.Not sure by the pictures if we are talking about the same area.In Phils defence, he was merely stating the facts about the square fin of fiberglass with the gap…trying to help you! In closing, Im sure Bass Cat will take care of you! Dwell Well,Ragga