Home » Tip of The Day » Work Non-Destructively With The Blur, Sharpen or Smudge ToolWork Non-Destructively With The Blur, Sharpen or Smudge Tool June 23, 2016. Posted in: Tip Of The Day. To work non-destructively when working with the Blur, Sharpen or Smudge tool, create a new blank layer, and click on “Sample All Layers” in the options bar. Then make your adjustments in the blank layer. « Previous Photoshop Tip: | Next Photoshop Tip: » Sign-up for the PTC Newsletter so that you'll never miss a tutorial!. Your Email Address: