Start in the same manner as shown in the basic fiddlestick tie but instead using the polycarbonate rectangular stock use the stiffest rope that you have to form at least five toggles.
Step 1: Place a bight of rope from the pull rope into the bight of rope formed by the overhand stone knot.
Step 2: Place a second bight of rope in the overhand stone knot, noting that this bight is smaller than the first.
Step 3: Continue inserting bights of rope with each one smaller than the last.
Step 4: Place a minimum of 5 bights.
Step 5:Dress the knot
Step 6: Start rappelling…