Golfers, if you struggle with consistency in your putting, this Putting Tunnel might be the simple training tool that finally fixes your alignment issues. Here's how it works: you place this tunnel over your intended putting line between your ball and the hole. The clever part is the broken white stripe along the top - it only appears straight when your eyes are directly over the ball and aligned properly. This immediate visual feedback helps you consistently set up with your eyes in the correct position, which is crucial for accurate putting. What's great is that it works for golfers of all skill levels - beginners learn proper fundamentals while experienced players can quickly check and correct their alignment. For junior golfers, it makes practice fun because they enjoy rolling balls through the tunnel, turning practice into a game. Golf instructors love it too because it allows them to focus on stroke mechanics while the tunnel handles the alignment training. It's lightweight, portable, and doesn't require any complicated setup - just place it down and start putting. Whether you're practicing in your backyard, on the practice green, or even indoors, this simple tool can seriously lower your scores by fixing one of the most common putting mistakes.