Craig First

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.

Word cloud of customer reviews

Beyond the Baseball Thumb Guard Study: What 1,000+ Verified Reviews Show in the Real World

Craig First

Craig First 11 minute read

Bar chart comparing transmitted force with no thumb guard versus the ThumbPRO® baseball thumb guard in lab testing.

Baseball Thumb Guard Testing | ThumbPRO® Lab Results

Craig First

Craig First 5 minute read

How to wear a baseball thumb guard on the top hand

How to Wear a Baseball Thumb Guard

Craig First

Craig First 10 minute read

MLB Pro Player Josh Jung Testimonial ThumbPRO Baseball Thumb Guard

There Is Only One ThumbPRO® Baseball Thumb Guard

Craig First

Craig First 7 minute read

Baseball thumb guard innovation

Baseball Thumb Guard Innovation: ThumbPRO®

Craig First

Craig First 3 minute read

Premium thumb guard materials

Your Baseball Thumb Guard Material Matters | ThumbPRO®

Craig First

Craig First 4 minute read

The Best Baseball Thumb Guard: How to Choose the Right One

The Best Baseball Thumb Guard: How to Choose the Right One

Craig First

Craig First 17 minute read

1 2 3 4 5 6 7 8 9 10