Grooves in a sandstone cliff reveal ancient tool sharpening . Published:2/21/2024 2/21/2024 • By Jeff Mitton. By rubbing a spear head against stone to form or sharpen it, ... Approximately 70 feet ...

Approximately 70 feet north of the Panel, I found two vertical grooves in the rock. They were about one foot long, about 3/8 inch wide and 1/2 inch deep and in cross section were V-shaped.

Still, he believes the Vertical Groove driver works across a wide range of player types. That’s why the driver will be offered with five stock flexes (A-flex through X-flex),; ranging from 45 to ...

What You Need To Know Vertical Groove Golf’s The Vipper features Tour-winning technology now available in a chipping iron. The Vipper eliminates skull shots, aids in alignment during setup and ...