hOLDING THE BOOM END UP
a TOPPING LIFT KEEPS THE BOOM FROM SLAMING DOWN INTO THE COCKPIT, #1 WHEN YOU'RE REEFING, #2 WHEN YOU'RE RAISING OR LOWERING THE MAINSAIL, #3 ADJUST THE BOOM ENT HEIGHT, SO IT DON'T SMASH YOUR HEAD IN ON AN ACCIDENTAL JIBE, #4 KEEPING THE BOOM HIGHER THAT THE BIMINI, ON OLDER BOATS, WITH SHORTER, RIGS AND LONGER BOOMS, A MAST/BOOM GALLOW WAS PROVIDED, TO POSITION AND SECURE THE BOOM WHEN MAIN WAS NOTFULLY EXTENDED.