Sorry about the dejoha type illustration or video. Computer skills are not at the level. I'll try to draw up an illustration of the system. Believe that I can get past scanning a drawing and getting it posted.
Poppa, I do believe there will be lots of uses for the buried loops.
Most of us end up poorer here but richer for being here. Olddog, Fulltime hammocker, 365 nights a year.