Back Massage Roller, Tennis ball

thingiverse

Simple yet effective roller Massager is designed for but not limited to your back. The Tennis balls massage your back effectively but don't over pressure sensitive areas around you spine. It applies just the correct amount of pressure before the balls start to collapse, This is a safer option to hard roller and helps loosen back, promotes blood flow, but doesn't apply harsh pressure that hard rollers are known for. (1) The Axel is made from (3/8" Sch 80 not sch 40 pvc pipe) 26 3/4 - 26 7/8 what ever works for you. (2) small screws secure handle in place (4) tennis balls - with 1" hole drilled through (4) Printed axels (2) printed handles ***Please use caution and common sense as any type of massage on someones back or anywhere else used incorrectly can cause injury.