Help with Crossfire Coupons?

Hey i've gotten alot of ZP opening ALOT of crates and ive been noticing these Coupons? how do i use them? where do i use them? and what can i use them on? comment below for like a tiny tut on how to use them Thanks bunch (:!

go to blackmarket and owned grates.
U see at the bottom how much coupons u got.
And then u can purchase that item, how much coupons u have.

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1. Look how much points u got
2. Chose a item
3. exchange it.

Go on Black Market and then go to "Owned Crates" on the top left corner of the window. Then on the bottom of the page you will see hole punches numbering up to 100 in total. If you roll over a shaded hole punch you will see guns and weapons. The silver hole punches means that you have reserved that hole punch. If you have a gold hole punch it means you have enough for the hole punched prize. As you can see, the more the hole punches you have the bigger the prize is.
Wrong section btw this is supposed to be in the Help section. >.<
Anyways Thank me please ^^

uhm u mean psg red right ?