How do I make a closing loop?  How do I know if mine needs replacing?

As you all know there is a glaring need for a nation-wide system of qualified parachute instructors. I will not beat the bushes about the fact of life that most accidents are rooted in poor or inadequate training. The USPA Safety and Train­ing Committee has been working on the development of a Jumpmaster/Instructor system for several years, and is at this time proposing such a system be incorporated into the oper­ation of the USPA.