we are well-secured , turn over and shake him free - `` the world spun sickeningly , and for all his effort laurence 's hands pulled loose from the harness , and left him dangling by the carabiner straps as they turned , once and twice spiraling , and righted again ; all of them a little green from the close and rapid turn , and the two knife-hilts standing up alone from temeraire 's back , the small cuts trickling a little blood down his side .