B3 methodology videos

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'Joint Articulation for the Fingers & Wrists (Hand Fans)! - Psychology-Fitness™ Training by PSYFI'
'Joint Articulation for the Fingers & Wrists (Hand Fans)! - Psychology-Fitness™ Training by PSYFI' 02:05 Oct 4, 2022
'Joint Articulation for the Fingers (Finger Curls)! - Psychology-Fitness™ Training by PSYFI'
'Joint Articulation for the Fingers (Finger Curls)! - Psychology-Fitness™ Training by PSYFI' 01:37 Aug 11, 2022