 You can see the changes on the green. Can these be used? Could somebody wear these on the course all the time? Oh, 100%. One of the things that we found, they were specifically designed for golf, but there's so many added benefits. We've had so many people tell us that they're the best driving glasses they've ever worn. And so, you know, the putting surface is the only place with green, the green color. So I think we take advantage of it.