Noteshelf: How to Use Eraser Tool
1. Select the Eraser tool.
2. In the pop-up box, you can choose the thickness of the eraser. When you click Clear Page, it automatically erases all. When Auto select previous tool is enabled, it will take you back to the last tool you selected.
3. You can select Erase entire stroke or Erase Highlighter only when you only want to erase the highlights.