d. Attach center of cord to eye of safety pin with a girth hitch as in illustration below.
e. Tie free ends of lanyard together with a square knot at a point 4-inches from safety pin.
Tie free ends of lanyard tightly around center of end grip or webbing with another square knot.
g. Tie an overhand knot in each free end, pulling the knot snug against the square knot.
19. Snap Fastener. Remove and replace a snap fastener as follows:
A snap fastener consists of a cap, post, socket, and stud.