 your veins will open back up once you've worn back up. And that's that weird tingling feeling? About four times their normal size. So what you end up with is a rush of red blood cells and collagen to the area. And especially the collagen has skin tightening properties, really good for fine lines and wrinkles, very good for pain. We have a pain management service we provide that people love, lower back pain. We have people with knee pain. We have several different modalities we can do as far as pain.