How to Use a Water Bottle For Baseball Pitching Drills

The video discusses the use of water bottles versus towels in throwing drills. The instructor prefers water bottles due to their realistic feel and ability to improve arm action. The video also promotes the channel and other related content. The water bottle is highlighted as a cost-effective and practical tool for dry work at home, providing tactile feedback that a towel cannot.

In what way does the speaker believe the water bottle helps with understanding arm action?

What is the cost of using a water bottle for drills according to the speaker?