This is an exercise that ive started doing recently to improve strength for defending my arms during grappling. I saw this demonstated by Gripmaster David Horne, who uses it for arm wrestling. I believe the application for defending your arms in side control, mount, back, and guard is huge.

Unconventional Exercise For Improving Defensive Arm Strength For Grappling/BJJ

Strength, Strength & Conditioning |
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