Shadow Box Frame for A belt

[TallAdam85]

Not sure what bored this falls in but I have a question , does any one know how to shadow box a karate belt my friend test recenlty got his 2nd dan and they gave him a size 8 and he wears a 6 so he got a new one and he has the 8 still so is there any way he can put it a shaodw box and tie it if so how do u sew it to the back , we both are lost.
Thanks for any help

 

[TallAdam85]

the box would problay look something like this
<imgsrc=http://www.michaels.com/online/images/product/large/fl0069.jpg>

 

[TallAdam85]

<img src=http://www.michaels.com/online/images/product/large/fl0069.jpg>