A compact, inexpensive staple for putting practice; the mirror-and-gate set runs about $69.99, with a compact version around $29.99.
Portable putting mirror with an adjustable alignment gate, used to check eye position, putter face angle, and stroke path at address.
"Five minutes with this before you putt in the bay will tell you more about your setup than a whole bucket of range balls."
Source: web verified · high confidence
