Step 1: Items needed:
White silicone tubing - 3/16in inner diameter, 5/16in outer diameter, 1/16in wall.
Paracord - 36 inches
Lighter - (or other source of fire to melt ends)
Rounded cord lock
Note: Hobby shops also have loops that are used for holding glasses. The loops are actually one loop with a crossbar to make a figure 8. This can be used in a configuration instead of the tubing.