This is the summary of consumer reviews for Back Stretcher, Spine Deck Back Stretcher for Lower Back, 4-Level Back Cracker. The BoolPool rating for this product is Good, with 3.20 stars, and the price range is $12 - $39.

The Spine Deck Back Stretcher for Lower Back is a 4-Level back cracking device that is ergonomically designed to help those with back tension to find relief at home. This small and compact product is easy to use at home or take on the go, and has small acupressure points that give the back a massage at the same time as stretching and cracking it for tension relief. This durable product holds up to 160 pounds and features a silicone pad on the middle of the plastic to provide comfort while stretching tense muscles. 

Customers say this product does work to help crack the back or stretch out some muscles, thanks to the safe and effective ergonomic design. The four level heights make it easy to customize the tension, as well. Plus, reflexology is built into this item, which makes it beneficial for some self-care.

There have been a few reports of the product cracking and breaking after someone uses it. It is important to comply with the weight limit in order to use this product safely.