Optional: Rim your glass with salt and pink peppercorn.Add the tequila and ginger into a blender and blend until smooth. Pour mixture into a fine-mesh strainer to remove all of the solids. Add gingered tequila to a lowball glass and muddle with mint. Add a squeeze of lemon juice and shake with ice. Top with Fever-Tree Sparkling Pink Grapefruit and garnish like heck!