Are you missing something? Some players like to buy clothes with their favorite logo of their game. Now you probably know what I mean and if you don't have anything here, isn't that a shame? You don't have to worry about printing t-shirts, I think you just need to select a logo or picture from the game and it's solved.
What to put on a sweatshirt does not take a tank?
It may not be a bad idea to sell sweatshirts or even singlets. Definitely avoid the journey where some sellers, because of the price reduction of the goods sold, go on the way of choosing inferior material. For example, I prefer to pay for quality that will bounce in life than to buy something that after a year and a half I can blow or burn and certainly will not be alone, today is such a trend in the field of food, where people prefer to buy quality food from private farmers than Somewhere in the supermarket.