Ivan Drago's Fernet Mule

1 12 oz Fernet Branca
34 oz Lime juice
3 oz Ginger beer (Top with the ginger beer, adjust amount accordingly)
1 wdg Lime (As garnish)
1 sli Candied ginger (As garnish, optional)
Instructions
Combine the first two ingrediens and stir with ice in a mug. Top with more ice and the ginger beer. Garnish.