If you've ever been to Ryoan-ji in Kyoto, you know the vibes that a few meticulously placed rocks coupled with the Japanese dry garden art of karesansui or "dry mountain water" can bring. How the monks maintain the perfect arrangement of ripples in the sand is a mystery -- if you've ever played with one of those executive desk sand gardens, you know it's no easy task. But, thankfully, the lines in this industrial-strength floormat will never budge, no matter how ferociously you scrub the bottoms of your boots upon it, so you can just let it lie and let it be. “Our effort in our practice," said Shunryu Suzuki, "should be directed from achievement to non-achievement.”