First, for the single strip bracelet, you need to pick a color.
Rap the duct tape around your wrist sticky side up, and cut when it goes fully around your wrist. Make sure to leave a little extra!
Fold the duct tape strip in half the long way.
Take a small piece of duct tape about 1/4 of the size of the strip and attach it to one end.
Rap it around your wrist and attach the side with the sticky piece of duct tape to the other end.