I'm not much for golf gadgets but this one, for some odd reason, has caught my eye.  The guy doing the commercial is kind of humorous - perhaps that's what is luring me in.  Anyone tried this device?  It does look like a simple way to help with alignment/getting the putter face square to the intended line. If you open up the "science" hotlink, it shows test data performed by GolfWRX.  I haven't found any reviews by MGS... so I'm dubious of the claims 😉. https://www.dirtylarrygolf.com/