He used a single line halyard retrieval system with a spinlock cleat. The retrieval line went through a eye in the trampoline in the front halve of the tramp and than back to a ring on a bungee taking out the slack. Then back forward to a small block on the trampoline and then to the rear of the spinlock cleat. Than to a double block (needed to get the double action) back to a block on the main beam and up in the mast. He adviced having a eyestrap riveted to the spreaderarm and near the hound to guide the spi halyard up the mast and prevent it from hanging up there and reduce wear. He ties of his tack halyard line to the snuffer ring saving on money spend on line and cutting down on weight and excess