Amazon.com: Eyeline Golf Metronome Tour Edition - Tempo Trainer Pro Audible + visual Pacing Device, Portable on cap or ground. Beep or flashing light. Adjust for putting, chipping, full swing. Indoors/outdoors. :
Golf Metronome Tour Edition – EyeLine Golf
Korg SR-1G in ear stroke golf metronome — Folders
Eyeline Golf's Metronome Pro Review - GolfDashBlog | Accelerate Your Golf Performance