You can select an individual handle on a graphic slice, and you can switch between having a handle selected and having the whole graphic slice selected.
Prerequisite
Graphic Slices
is selected in the Engrave toolbox.
Procedure
Select a graphic slice handle in any of the following ways:
Select any handle on the graphic slice and press Right Arrow/Left Arrow/Up Arrow/Down Arrow to select other handles around its edge.
Select the graphic slice, press Tab to switch to having the handle in the top left corner selected, then press Right Arrow/Left Arrow/Up Arrow/Down Arrow to select other handles around the edge of the graphic slice.
Click a handle on the graphic slice.
Note
You can only select a single handle on a single graphic slice at a time.
Optional: To switch back to having the whole graphic slice selected, press Tab.