Hydro-Dynamic Swim Alignment Cap

Swim Stroke Doctor, LLC Secures Patent for Groundbreaking Swim Cap That Improves Performance Through Streamlined Head Alignment

Indian Head Park, IL – April 15, 2025 Swim Stroke Doctor, LLC proudly announces the award of U.S. Design Patent D1070288 by the United States Patent and Trademark Office (USPTO) for its revolutionary Hydro-Dynamic Swim Alignment Cap — a breakthrough that sets a new standard in swim training and technique refinement.

Engineered to optimize head, eye, and body alignment, this patent-protected cap significantly reduces drag and enhances stroke efficiency across all four competitive strokes. Improper head positioning is a leading cause of frontal resistance and poor propulsion. This cap corrects that — instantly.

See it in action: Watch the BACKSTROKE demonstration video to visualize how the cap corrects technique in real time. https://www.youtube.com/watch?v=E2GlhNGWShA

 

 

Testing#1 Incorrect Head Position Freestyle: Large Bow Wave. Improper head position creates a large frontal wave that amplifies dynamic drag. The wave slows the swimmer down.

Hydro cap

Testing #2 Improved Head Position Freestyle: Small Bow Wave.

Our Hydro-Dynamic Swim Alignment Cap enables swimmers and coaches to identify and correct the Improper head positioning quickly and effectively. Better head position yields a faster swim with less effort. The cap is just not a piece of gear – it’s a powerful coaching tool.is a leading cause of frontal resistance and poor propulsion.

hydro cap

Understanding the Significance of Proper Head Placement

Proper head positioning is the cornerstone of efficient swimming,” said Dan Lynch, founder and head coach of Swim Stroke Doctor, LLC. “This cap empowers athletes and coaches with a practical, science-backed tool to maximize performance and build better habits in the water.”

The cap is a foundational component of Swim Stroke Doctor’s swim coaching programs and technical workshops. Whether you’re preparing for your next competition or refining stroke mechanics, the Hydro-Dynamic Swim Alignment Cap delivers results.

A swimmers total body alignment starts with the head as it plays a crucial role in maximizing swimming stroke efficiency.

Learn more and order here: Contact dvlynch@swimstrokedoctor.com

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