Bracelets, (command); the slave on command thrusts her hands behind her back wrists together in preparation to be braceleted. Also called "chaining."

"Bracelets," he snapped. She put her head in the air and placed her hands behind her back.
Book 8, Hunters of Gor: Page 14
"Bracelets!" I said in Gorean, harshly. The girl snapped to position, hands behind the small of her back, head lifted, chin up, turned to the left. In such a posture she may be conveniently put in bracelets, and leashed.
Book 10, Tribesmenof Gor: Page 78