Did you watch on YouTube the video "Tormek Knife Sharpening class Part 1" ? At 6:30 min. starts a good description about knife clamping.
https://www.youtube.com/live/R2ifZQOJA7k?si=B-2ye4Ahh0_Gu_yv
Hope this helps!
https://www.youtube.com/live/R2ifZQOJA7k?si=B-2ye4Ahh0_Gu_yv
Hope this helps!