Gaiam Foam Roller | $18 | Amazon
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The holiday season is stressful, so roll out all that tension in your back and beyond with this $18 Gaiam Foam Roller, down to its lowest price ever. Foam rollers are a secret weapon of workout fiends for pre-workout loosening up or post-workout soreness reduction. Or just skip the workout altogether and lay on top of this thing for a nice spine stretch.