NeckFlex Harness OFFICIAL Training Video 1: Beginner / Basics

If you purchased a NeckFlex Neck Harness Kit, start your training here. The NeckFlex is not just a head harness. The Neck Flex comes as part of a complete

Neck Flex® Revolver™ Rotation Attachment for the Neck Flex head harness neck trainer. #necktraining

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