Add several tablespoons of sugar to a shallow plate or dish
Rub lemon along the outside only of the rim of your glass to wet
Immediately roll this wet part of the glass in the sugar to coat the rim - set aside
In your shaker- fill 1/2 full with ice
Add Whiskey, brandy & lemon juice - shake well.
Strain into prepared glass
Garnish with lemon twist & blackberry