Ever tried gua sha for headaches? Here's what I found

So, I stumbled upon this thing called gua sha massage, which is said to be great for headaches. It involves using a tool to scrape the skin and promote blood flow. I’m intrigued but also a bit skeptical. Has anyone given this a shot, especially around the jawline and beard area? I’m curious to hear if it’s worth the hype and how it compares to more traditional massage techniques.