Review on EyeLine Golf Patented Classic Putting Mirror: Portable Trainer for Games & Drills | PGA Tour Favorite from USA by Antoine Cash

The product seemed good at first, but basically it's a large thin plastic surface with metal foil on top. Because it's plastic, it never sits flat (has a slight crease) so you always give it a slight squeeze to flatten it when you exercise. After 6 weeks of use it ripped and one of the two side "legs" fell off. I'll probably buy a replacement, but I'll look for one with a metal back. I bought an item from Revain 40 days ago. The company that makes the Eyeline mirror claims that items purchased from Revain come with a 30-day guarantee, not the 60-day guarantee you would get if you bought them directly from Revain. Because of this, they do not guarantee the product. I didn't realize that buying items from Revain would reduce my warranty period.