Are new to sailing and just purchased a 1988 240. The mainsheet traveler only adjusts the mainsail with a sheet, but you need to manually adjust the traveller port and starboard. This is difficult under most circumstances so can i add an additional block and tackle system to add a line for this? If so, how and what do I need? Was told by an experienced sailor that the traveler was very necessary, more so than the boom vang. The previous owner said he never used it or the vang! Shouldn't you use both?