Field Fiery Mule

1.5 oz Field Fire
1 oz lime juice
1 oz pineapple juice
3 oz ginger beer
Mint
Fresh pineapple slices
Ice

Shake Field Fire with lime and pineapple juices and pour into copper mule mug filled with ice. Top with ginger beer and stir to mix ingredients.  Garnish with mint and pineapple slice.