On a shallow plate, combine ground pecans, Swerve, and cinnamon.
Wet the rims of two martini glasses and dip into pecan mixture.
Set aside.
Fill a large cocktail shaker with ice and add vodka, rum, pumpkin, cream, Swerve, cinnamon, and ginger.
Shake vigorously, then strain into prepared martini glasses.
Sprinkle with a little nutmeg and serve.