Spine Health_PART 3: (this is low-key advanced part) So, as I wrote before, once you are comfortable lying down on the foam for 20 minutes, you can start using some weights. If you are using the harness you will need a proper flat, firm, and elevated space so I am linking the massage bed that I have at home below too (PS. My spine health posts have multiple parts. I have linked all of the spine health products I use below.) LTKbeauty LTKhome LTKfitness