Hey @Enigmatic_Hero,
you have to post your t-shirt design at here! how wold you make a comment here ?like that!
Cause this is the t-shirt design contest thread.
Again you can start from here
https://forums.envato.com/
http://prntscr.com/m73hiq post your design like a comment.
let me know any other question ?
Hope you understand
Thanks!