View on LOZ Suggested Retail: $54.99. Thrival Meat Grinder - Fully Adjustable Psoas, Glute, Back and Neck Deep Tissue Muscle Massage Release Tool (Carbon Black) - Made in USA. Locating and massaging the psoas, piriformis, and hip flexors is not a one-size-fits-all process, so it is vital that your massager be adjustable to fit your body properly. Each Thrival Release Board has 8 rubber feet for non-slip grip on floor surfaces and to prevent scratching on hardwood floors. Toss that stagnant foam roller, or massage ball and replace it with the uniquely adjustable Thrival massager. Thrival is designed to release those hard to reach areas that typical exercises and stretches cannot. Release your way to greater strength and flexibility with Thrival.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.