New Amsterdam Winter Fix

1 oz Gin
1 oz Triple sec, Cointreau
12 oz Lemon juice
12   Cranberry
5 sli Ginger (3-5 slices, coin-sized, plus one as garnish)
Muddle, shake, fine strain, garnish with a long slice of ginger.
Adapted by DiSalvo from Andrew Willett's adaptation of Employees Only's Ginger Smash, which Willett calls instead the New York Winter Fix.