Hitting a baseball is one of the hardest things to do in all of sports. Baseball players can fail 70% of the time and be considered at the top of their game. Hitting off the tee is widely used by players at every level and it is a great hitting tool. Additionally, it is an excellent tool for creating muscle memory. This is a simple instruction on getting you started with working with a tee.
Disclaimer: Ensure everyone stays clear of a swinging bat as this may save someone from a painful injury. Also, prior to hitting baseballs ensure that the area is safe and no one will be hurt by flying baseballs and your batted balls will not hit anything.