GHHJX Magnetic Ball Marker Hat Clip Golf Putting Aid & Green Reader

Something a little different that no one else has and something that is easy to use.

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Per NGA rules 4.3, not sure if this is legal for use during competition, but good practice item maybe.

all thought it is a nice device. the height could have been smaller and the diameter wider. it stuck out very noticeably when putting it on the ground. cannot use device on tournament rounds. great if you are just practicing or playing by yourself.

The item was as described and fairly easy to use as I simply use it in place of a normal ball marker on the green. The difficult thing I noticed is that the "bubble" is a bit hard to see because of the white color. It takes a bit of getting used to in order to see exactly where it is on the marker. It would be easier if it was darker in color. Also, the marker is fairly lightweight so on greens that aren't relatively smooth, it may not sit exactly flat on the surface to give you an accurate reading of slope. If it was a little larger in size and heavier, that might help. All in all though, for the price it does what it says and is a pretty good value.