NEED HELP FOR MY AQUA 8'S

I have bought a pair of jordan aqua 8's i need help on the ADJUSTABLE SIGNATURE STRAP. I don't know how to tip/pin is called but i'm pretty sure you guys know what i am talking about. The pin was broken and i just realised it. Can you guys send me a link where i can buy some ? or what i can do ?

Post this question in here:
[thread="15471"]Official Sneaker Care Maintenance Post Its Back  [/thread]
Please provide pics, so that people can better assist you.

Hope this helps!