• Unique Trigger Point Massager Tool - Allows for a targeted and effective massage of the spine, upper arms, deltoid, pectoralis, and calf muscles. The perfect design for those hard to reach stabilizing muscles that surround your spine and vertebrae. Use it as a foot massager for plantar fasciitis, too.

• Muscle Recovery Post-Workouts - The Duoball 12 was designed to cover larger areas of the body like the thighs and hamstrings, helping relieve hotspots caused by tightened fascia and hardened muscles. 
• Improve Your Posture - BLACKROLL massage therapy balls put the power of healing back in your hands. Not only do they help to relieve pressure, but they can also alleviate stress and tension throughout your body, improve posture, circulation, and promote faster muscle recovery time.
• Compact and Lightweight - The Duoball 12 measures 9.4” x 4.7” (24 cm x 12 cm). Pack it in your gym bag for post-workout stretching and recovery. 
• Crafted in Germany - All BLACKROLL products are premium made in Germany, environmentally friendly, developed using energy-saving production, and are made of 100% recyclable materials. They are also water resistant and easy-to-clean.

Therapy Ball for Back, Foot, Neck, Spine, and Shoulder:

• Ideal for the treatment of the thoracic and lumbar spinal column, since the gap is gentle on the spinous processes

• Also, suitable for the massage of calves, arms, and legs

BLACKROLL DUOBALL For Shoulders: