What about this one..the lee side is allways free. And for yours trully the cleats move with the traveler, instaead of being fixed to the boat.
At rest, cleat both sides.
By the way, Harken travellers suck. By experience, had many travelers already..many. Want a good traveler? Lewmar.
Her's mine. A custom system with Lewmar R1 traveler with ratachamatic locking blocks. can't find what you want? Make it.