Alert icon
We're changing our privacy policy. This stuff matters.  Learn more  Dismiss

The thumb test

Loading...

Sign in or sign up now!
14,736
Loading...
Alert icon
Sign in or sign up now!
Alert icon

Uploaded by on Jun 11, 2008

How we can see the thinness of the edge of blade, looking for a ripple/wave as we push our thumb nail against the edge.

We don't always want it this thing of course, depending upon what we cut

Category:

Education

Tags:

License:

Standard YouTube License

  • likes, 3 dislikes

Link to this comment:

Share to:

Uploader Comments (ndudman8)

  • Thanks! Didn't know how to do this. Appreciate you sharing the information.

  • @Patzee02 happy to help

  • I had read about the thumb test, but had no one to show me how to do it. Thank you for the time and effort that you put into this excellent teaching tool. I will be recommending your video to others.

  • No problem... I also read about it and until I'd see it done myself, and also learnt to peen a bit better just couldn't see how it worked.

see all

All Comments (6)

Sign In or Sign Up now to post a comment!
  • cool

Loading...
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more