If you’ve ever experienced a tingling sensation on your skin in response to a certain visual or sound, you may have had an autonomous sensory meridian response—or ASMR as it’s more commonly known as.

Have you ever stumbled upon an hourlong online video of someone folding napkins? Or maybe crinkling paper, sorting a thimble collection, or pretending to give the viewer an ear exam? They’re called ...

In the video below, a young woman picks up a brown leather wallet, rubs it between her hands, then shakes it. The zipper pull trembles against the rows of linking teeth with a tinny sound. These ...