Captains of Crush® No. 3.5 Gripper Certification:
Who's Who

Official certification list for the No. 3.5 Captains of Crush® gripper


  • "Tex" Henderson
  • Gabriel Sum
  • Rich Williams
  • Jonathan D. Vogt
  • Paul Knight
  • Ioan Cristian Puscasu
  • Sergey Daragan
  • Vache Sevajian
  • Andrew Durniat
  • Michael Burke
  • Carlos F. Rivera Pagan
  • Brad Ardrey
  • Alan Barch Jr.


Get certified: Rules for Closing and Certification.

Meet our Captains of Crush grippers. Visit the IronMind e-store for CoC® grippers and Crushed-to-Dust! Grip Tools.

Find out more about hand strength and training with our Captains of Crush grippers; and take a look at John Brookfield's Grip Tips, for over 60 grip training exercises.

Captains of Crush Grippers: the gold standard of grippers cocbook-cover_hp