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Dr. Gustin used the occasion of the King Kong grip contest in Lecompton, Kansas as the springboard for inking his name in the annals of grip strength history ripped through the Crushed-To-Dust! Challenge!®. Certification on the Crushed-To-Dust! Challenge is a quick and fun way to prove you’ve got outstanding all-around grip strength, and it has become the world’s de facto standard of functional grip strength equal to the task whether on the job, at play, or in a life-or-death situation.