Knurling from two sides.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/knurling_shaped_handle_dc.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...630#post193472
https://www.homemadetools.net/forum/...991#post191206
https://www.homemadetools.net/forum/...002#post100474
https://www.homemadetools.net/forum/...016#post171914
https://www.homemadetools.net/forum/...525#post185700
