Para (aka 550 or Type III) Cord Donut : 5 Steps (with Pictures) - Instructables
Paracord Donut/550 cord/Type III-100ft - Paracord Gear Store LLC.
I have an extra 100 feet of 550 PC, on top of what I have portioned out for tarps, food bags, tie downs etc.. how would you suggest portioning this out most