The Bottom Hand Soft Toss Drill is a more advanced drill. It can help with hand-eye coordination as well as more solid contact.
This drill also teaches the hitter to let the legs initiate the swing instead of pulling with the upper body.
You can also try this drill off the tee instead of with soft toss.
Bottom hand side toss is a great baseball hitting drill to help you hit for power and average. This baseball hitting tutorial gives you a basic guide to one handed side toss drill.