A quick, cheap and easy way to make something for runners to release tension and tightness in their muscles in two easy steps.
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Step 1: What You Need
All you need is an empty 2 litre pop (soda) bottle.
Step 2: Make It & Use It
Fill with hot water from the tap (Set to your desired temperature - not too hot).
That's it, just make sure the lid is on tight and give it a go!
Please find out how to use muscle rollers correctly before you try it!