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Grenade Whistle
Let your friends know you got their back when a grenade is looming. Sound the horn!
Copy and paste this link into an e-mail or instant message:
http://marketplace.xbox.com/en-us/Product/Grenade-Whistle/00001000-ecb3-a203-c83e-b369523207d8?cid=SLink
Click to create and send a link using your email application
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