Now, just four days later, we have a similar (and identically priced) offering from Canon.

ENGADGET: Canon EOS 6D full-frame DSLR hands-on (video) Hands-on

Maker 3BaysGSA has already made some hay with the very similar-looking (and identically priced) Pro full swing analyzer, but make no mistake: this is a very different device, with an entirely separate app and sensor.

ENGADGET: 3BaysGSA Putt: a Bluetooth golf gadget that puts eyes in your putter (hands on)