A few years ago out on devils lake me and my buddy and my dog were driving across a pressure ridge (stupid of course) and the castle went through behind us but it was a floating kind I got myself out and tried to get him and the dog out even jumped in the water and was unsuccessful lost two dear friends on the lake that day never used an ice castle or drove a truck out since, sometimes not even a wheeler or sled, so you young buck out there stay safe don't effin stupid stuff just to brag to your buddy's or your girlfriends just STAY OFF if it's to thin sure hope I don't hear of anyone else goin thru, be safe guys please, once it happens you can never rewind time and have it not happen, can't say it enough be safe carry ice picks floating jacket and all that gear