Start the game with a connection to Xbox Live. Select the "Additional Content"
option at the main menu. Select the "Exclusive Content" option, then login 
with your Ubisoft account information or create a new account. After the game
connects to the Ubisoft servers to verify your information, the message "ACCOUNT
LINKING COMPLETE! Thank you for linking your Ubisoft account to your Xbox LIVE 
Gamertag. Special Machete. Unlock Special Machete" will appear. Press A to 
unlock the special machete. The message "The exclusive content was successfully
unlocked" will appear. Return to the main menu. Select "Options", then select 
"Game". A new "Machete Type" option will appear. You now have access to the 
"Homemade" and "Primitive" machetes on the current profile.