Teen Baseball Hitting Trainer

I'm looking for an innovative baseball hitting tool designed specifically for teenagers. The primary focus of this tool should be on improving batting technique during training and practice sessions.

Key requirements include:
- Targeted at teenage players
- Emphasis on refining batting technique
- Durable and safe for regular use
- Portable and easy to set up

Ideal skills and experience:
- Background in baseball training or coaching
- Experience in designing sports training tools
- Understanding of teenage athlete needs and safety

Looking for a creative and effective solution!