Craig First
Inventor of ThumbPRO® and Engineer
- Baseball hitting mechanics
- Bat sting and hand vibration reduction
- Thumb guard design
- Sports product design
- Athletic performance equipment
- Equipment design for hitters
- Product engineering
- Patent innovation
- Impact protection and vibration control
- Impact and vibration reduction in sports
Craig First is the inventor of ThumbPRO®, a patented baseball and softball thumb guard designed to reduce bat sting and support proper hand placement at the plate. With an engineering background and multiple patents in athletic and other equipment, Craig specializes in product design focused on performance, protection, and real-world application. His work also reflects a broader focus on impact and vibration protection for the hands, with an emphasis on improving comfort, control, and confidence in demanding conditions.
Your Baseball Thumb Guard Material Matters | ThumbPRO®
Craig First 4 minute read
Baseball Thumb Guard: ThumbPRO® Guide for Hitters
Craig First 5 minute read
What Makes a Good Baseball Thumb Guard/ThumbPRO®
Craig First 5 minute read
Baseball Bat Sting and how to prevent it
Craig First 4 minute read
Our baseball thumb guard at the World Baseball Classic
Craig First 2 minute read
Thumb Guard Little League Updated Rules for 2026|ThumbPRO®
Craig First 4 minute read