Squaring a Block on a Vertical Mill: https://www.youtube.com/watch?v=XdEM77NDejE
How to Grind a HSS Lathe Tool: https://www.hobby-machinist.com/threads/how-to-grind-a-hss-turning-tool.52581/
How to Grind HSS Lathe Tools: https://www.youtube.com/watch?v=IxZpIxryUUg