These make such great xmas stocking gifts for some one you plays.. They are super easy to install on a basket, seconds at best..  Then from there on, it'll help people zero in on a spot on the chains to hit and sink your putts..  So much fun and great for beginners or a seasoned player looking to warm up before a round... 

you can't go wrong at this price. And it'll help lower your score,

These little things are actually pretty cool for as simple as they are. Nothing extravagant, just a target to aim at while you putt, but  it does make it much easier to see if you've hit the specific place you aimed at. The glow dots are great to have for evening practice. 

I could have knocked off a star since they don't do a lot, but considering the low cost I think investing in a couple is a worthwhile. Here's a full review with a few suggestions on how to use them:

https://www.dgputtheads.com/discdot-review

This is a pretty cool contraption. The colors are real nice and bright, they fit onto the chains easily enough. The trick is to rotate it onto the chain, starting at the bottom where it is a wider gap. I am using a MVP Black Hole Pro.

These really do make it real easy to find a point of which to aim. I was outside the circle and could still easily see the dot, the thing is so flippin' bright. I only worry that this will become a crutch if I use it too much. 

Overall a pretty cool little thing to make it easy to see where I should aim for putting.