All parts of the hand move just like ours. It's easy to use and after building a set of nails you can be ready to start again in less than a minute. The finger tips are the most important parts. They are made from materials that have a human feel, so when you practice it's just like working on a real person. In this way you quickly acquire the skills. needed for working on clients. The nail trainer will be ready for practice any time you are. Unlike a live model, it never gets tired, it's never late, it never complains and it doesn't get hurt.