 put the needles into a structure and leave them there for a period of time. And what we find is that helps trick the body into creating a healing process. We put several needles, let's say somebody sprained their ankle, we put several needles around the sprain, the body says, hey, what are these foreign objects doing here? And it helps jumpstart a healing process, and that's one way to use dry needling. And then there's trigger point dry needling, where