I've just had someone tell me that even though my demo is no mod, they've moved my demo sign into the floor and basically got a free fatpack. I suggest rigging your demo sign if you're going to do that. It still won't stop people from derendering it to take pics in though. I honestly think having one texture with demo written on it is the best method to stop people from using your items without even purchasing them, but customers do like to see all the options in a fatpack, you could write demo on all your textures and redo your fatpack HUD with them for the demo, but i know that is a lot of extra work for each and every release. It's so disheartening to hear people are doing such things, I'm not really sure what to do at this point.