Fids are the perfect tools to use for finishing your paracord items. Use a set of fids when you near the end of your creation to "lace" the paracord through tiny holes. These tools should be everyone's paracording tool box.
Made for 550 paracord (Type III)
Simply melt your paracord into a small point. Then, spin the paracord into the threaded fids. When the paracord is seated correctly, it is nearly impossible to pull directly out.
Check out the following video to get a better idea of how they work: