What is a tattoo model?

Tattoo models are exhibits created by tattoo artists and displayed in tattoo exhibitions. It costs almost nothing to get a beautiful tattoo, provided that you follow the tattoo artist to the exhibition unconditionally.

There is also a tattoo model, let's call it a model, which is the object of novice practice, the content of killing time in the off-season, and the gimmick of self-promotion. None of the above will be paid to you. what are you going to do？