flattening 8/4 stock........

ready to do battleThe front one with the X is the corkscrew board I couldn't flatten yesterday. Before I expended any more calories on that one, I checked the back one which I had gotten flat and twist free.sighIt moved a wee bit over night. Not much but more than I could ignore. I'll let it relax and I'll deal with it after I finish the hissy fit throwing board.2nd boardI wasn't surprised that this board still had a healthy amount of twist shaking hands with me. Houston, WTF???This board according to the sticks was twist free. The 4 foot straight edge says it is flat end to end. However, when that face is down on the bench the board rocks like it is nuclear powered. There is a 1/4" gap on the rocking ends. I don't understand this. I feel like the board is a corkscrew. One hand says it is flat and straight but it is rocking like crazy on the bench.hmm........Eyeballed this board with my best goofy looks and nada. I threatened it with the best expletives an ex sailor could dream up and…