1. Loosen the knot where the cord meets the keyring.
2. Remove the keyring and handle by pulling it through the cord loop.
3. Raise or lower the metal cinch on the cord to your ideal length.
4. Insert the loop of the cord through the middle of the keyring, bringing the keyring and handle down to the middle of the cord.
5. Insert the poi ball through the loop at the top of the cord.
6. Grab the ball in one hand, and the handle in the other, and pull tight until the know is firm.