Wax Cloth? What is it and How do I use it? PLEASE HELP!

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Whats up NT?

I'm planning on doing some big customs involving the lebron xi. However the design that I am going to use cannot be painted on, so I researched some other methods of customizing. Obviously there is the cut and sew method, but that would not go well with the lebron xi. One artist that uses a unique method is GourmetKickz. He apparently uses a wax cloth type material that he is able to "print" designs on and then glue them onto the shoe. The guys customs are dope and look really professional, and that is the same type of finish that I want on my customs. My question is this, if he is using Wax Cloth how is he printing the design onto the fabric? And if he isn't using this so called Wax Cloth, then what is he using and how is he doing it?

I understand that most people won't know the answer to this, but if you have any idea comment below PLEASE! Even if you don't have an account, please create one and let me know. I don't want to steal Gourment Kickz' method, however I do really want to do a good job on this custom. 

Thanks!

(I'll put some pics of his work below to make this question interesting)

 

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Alright, since no one seems to know the answer to this I've got another question. What is the material that is used for the graphics on the foamposites? 

Thanks in advance.