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Thyme sprig and Angostura Bitters dashes
SHAKE all ingredients with ice and strain back into shaker. DRY SHAKE (without ice) and fine strain into chilled glass.

Special ingredient #1: Homemade raspberry shrub (6% abv)

Special ingredient #2: Homemade thyme sugar syrup (2:1)
[['4 cl', 'Daddy Rack Tennessee Whiskey'], ['2 cl', '*Special ingredient #1 (see above)'], ['1 cl', 'Martini Riserva Speciale Rubino'], ['2 cl', '*Special ingredient #2 (see above)'], ['1.5 cl', 'Lemon juice (freshly squeezed)'], ['2.5 cl', 'Pasteurised egg white']]
[['4 cl', 'whiskey'], ['2 cl', '*special ingredient #1'], ['1 cl', 'martini riserva speciale rubino'], ['2 cl', '*special ingredient #2'], ['1.5 cl', 'lemon juice'], ['2.5 cl', 'egg white']]