Gouge Setup Blocks by Ron Brown's Best. Quick, Easy, Repeatable settings for sharpening bowl and spindle gouges with all popular wood lathe tool sharpening systems. : Amazon.co.uk: DIY & Tools
Homemade fluteless gouge for bowl bottoms - Woodturning by Terry Vaughan
Gouge Setup Blocks for Sharpening Steel Wood Lathe Tools. - Etsy UK