Use Single Stitch 
to create a Single Stitch or series of Single Stitches, according to the length set in Preferences or the properties box. The length may vary. A Single Stitch may be broken up into stitches from 1mm to 12mm in 1mm steps.
Typically it would be set to a relatively long length of around 10mm in order to produce an effect from a long stitch.
Single stitches are represented by a line in the currently selected color. Depending on the default Stitch Length set in Preferences 
, more than one stitch may be generated between two points when a stitch is placed.
Single Stitches are useful as short traveling stitches, and to achieve various hand stitching effects.
Shortcuts
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Freehand Create Tab; Point Create Tab, Command:
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Keys: Alt, R, N; Alt, P, N