G'day John you'll find heaps of information on this forum if you do a search. I havn't tried a bag yet but cant imagine a quicker way than a righting pole to right a cat if your just short of the right weight. Most of the time the cat has rounded up as it goes over and is in position for a quick righting, I just climb on the centreboard set the stop knot, go to the stern pull the pole out lean back boat comes up let pole go, then climb on boat release stopper knot off you go, the pole automatically retracts. It really is quick if you do it quick and dont let the boat settle regards