In general, the way to get the inner skin is special, and players need to complete certain tasks or participate in some specific activities in the game to get this rare skin. Sometimes, game makers will also post some methods to obtain internal skin testing on social media to encourage players to actively participate in the game.
For the favorite players, getting a skin test is an honor and reward, which can increase the fun and challenge of the game. For game developers, internal testing skin can test the stability of the game and the player's reaction to new content. Therefore, internal testing skin is not only a game element, but also a close link between developers and players.