[English] Extension spring based armwrestling trainer.
I once made a similar one back in 2008. (JNB armwrestling trainer)
[Korean] 익스텐션 스프링을 베이스로 만든 팔씨름 훈련도구입니다.
저도 2008년에 이와 비슷한 훈련도구를 만든적이 있죠. (아래 사진)
Spring Based Armwrestling Trainer
Posted: October 7, 2011 in Equipment, For ArmwrestlersTags: arm wrestling, arm wrestling equipment, arm wrestling tools, armwrestling, forearm exercises, grip strength, hand strength, thick bar, thick bar training
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