Hi peeps, I was just wondering if any of you have had problems with your back when using a duffelbag filled with water to provide extra leverage for righting a cat. I was told by a sailing instuctor that using it can put a lot of strain on your back. I weigh about 85 kilo's and my boat is 135 kilo in total(Quattro 16) Do you think I will need the bag or is the rightingpole a better option? I have attached a picture of one of the hulls of my boat in case anyone wants to see. It has been my project for a couple of years now and it's nearly done, just the sails and the rigging to be done. At the moment I am sowing together one of them Sailrite sailkits on our home sowing machine, it's really a lot of sowing...