Blackroll Duoball、ブラック、10.6インチ x 4.7インチ x 4.7インチダブルボール。

BLACKROLL - DUOBALL 12 Massage Ball, Double Lacrosse Ball Massager for Deep Tissue Massage, Trigger Point Massage Tool for Back, Spine and Shoulder, Muscle Recovery and Relief, Black

Blackroll - Trigger Point Ball 08, for Exercise and Muscle Recovery, Deep Tissue Massager for Myofascial Release in The Shoulders, Neck, and Back, 8cm (3.1"), Black

BLACKROLL - Standard Foam Roller - Myofascial Trigger Point Release, Back Massage, Perfect for Yoga, Home Workouts, Muscle Recovery, Black