International Connector T&G 5 Pieces DIN Rail Slotted Aluminum RoHS 35mm Wide 7.5mm High (12") 12" hidden If your feet are tired

If your feet are tired

so it is very soft

you can add a lot of space to add more pages to the album

pushing (movement with the balls rubbing together ) and rolling (movement of just one ball on the hand)

even pressure across the shoulders

International Connector T&G 5 Pieces DIN Rail Slotted Aluminum RoHS 35mm Wide 7.5mm High (12") 12" hidden If your feet are tiredInternational Connector T&G 5 Pieces DIN Rail Slotted Aluminum RoHS 35mm Wide 7. 5mm High (12") Product Features RoHS Compliant Proven Long Lasting Quality Quality Aluminum With Clean Cut Edges Solid Construction Rail Allows For Mounting Heavier Components Hole Spacing Is Slightly Shorter Than One Inch Center To Center