Lay the harness flat and untangle all straps
Identify the neck opening and leg openings
Loosen all adjustable straps
Slip the harness over the body or step into it, depending on the design
Position the chest piece centered on the body
Place each leg through the correct opening if needed
Pull the straps up and around the body
Fasten all buckles, clips, or closures
Tighten the straps until snug but comfortable
Check that the harness sits evenly and does not twist
Make sure you can move and breathe comfortably
Double-check that all connection points are secure