<a href="http://www.youtube.com/v/flfVspPc-s8" target="_blank">http://www.youtube.com/v/flfVspPc-s8</a>

Have you ever seen something that makes your skin tingle and for some unknown reason provides you with a sense of unbridled peace and happiness? Gears working in perfect synchronization, a cake frosted with absolute precision, marbles rolling so smoothly it hurts. Something that is just...satisfying? Well here's five solid minutes of that feeling.