Combine lime juice, Simple Syrup, bitters, grand marnier, tequila and a scoop of Ice into a mixing glass.
Cap, then shake vigorously 20X, until chilled.
Remove cap.
Garnish a DOF glass with kosher salt on half the rim, as shown in the photo.
Place a Large Format Ice Cube into the glass.
Strain drink over the Ice.
Garnish with a lime wedge on the rim of the glass, placed right next to the salt rim, as shown in the photo.
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