This mode allows you and some friends to jump into your own private island in order to practice, practice, and practice some more.
The best way you can do this without having to worry about getting eliminated in a match is to jump into Battle Lab. This mode allows you and some friends to jump into your own private island in order to practice, practice, and practice some more. Eventually, you will want to practice these skills under pressure but the Battle Lab is a great place to start.