THESE SAFETY HARNESSES FOR POSITIONING HAVE ONE D-RING ON THE UPPER BACK TWO OR MORE D-RINGS ON THE HIP STRAPS A BODY BELT AND A SEAT SLING THE HIP D-RINGS AND BODY BELT CONNECT TO POSITIONING AND RESTRAINT LANYARDS THAT HELP KEEP THE WEARER POSITIONED CORRECTLY NEAR HIS OR HER WORK WHILE WORKING AT HEIGHTS THIS KEEPS THE WEARERS HANDS FREE TO DO WORK AND REDUCES THE ENERGY IT TAKES TO STAY IN PLACE WHILE WORKING THE D-RING ON THE UPPER BACK ATTACHES TO A SELF-RETRACTING LIFELINE OR SHOCK-ABSORB