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Amazon.com: OBETOR Deep Tissue Massage Balls Set for Trigger Point Myofascial Release, Muscle Knots, Physical Therapy, 5" Textured Mobility/Lacrosse/Peanut/Spiky/Hand Roller Ball for Back/Neck/Feet Pain Relief : Health & Household
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Amazon.com: Tiger Tail Bundle: 18in Portable Massage Stick Portable Roller + Happy Muscles Book : Sports & Outdoors
What are muscle knots? An exercise physiologist explains what those tight little lumps are and how to get rid of them
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