I spoke with Scott Mingay and Jordan Booth from the USGA about the GS3 tool that measures green speed, smoothness and trueness of ball roll, and surface hardness of golf course turf.

Links:

Bobble Test video: https://www.asianturfgrass.com/post/teaching-the-bobble-test-video/
USGA Green Section website: https://gsshop.usga.org/

Read more about all kinds of turfgrass topics at https://www.asianturfgrass.com/
Find turfgrass information and decision-making tools at https://www.paceturf.org/
See the PACE Turf YouTube channel at https://www.youtube.com/user/paceturf
See the ATC newsletters at https://subscribepage.com/atc_newsletters
Listen to the ATC Doublecut with Micah Woods podcast at https://atc-doublecut.transistor.fm/
Listen to the ATC Office Hours podcast at https://atc-office-hours.transistor.fm/

Find out more about soil tests with ATC at https://www.asianturfgrass.com/project/soil-tests/