I coarsely ground about 0.7 oz of Caribou coffee, placed them in a fine mesh hop bag, and added to secondary for 24 hours just prior to bottling. Worked pretty well, hop bag keeps the grounds out of the finished coffee.
Primary #1: RIS #2: Pre-Prohibition Lager
Secondary #1: Blackberry Rhubarb wine #2: Empty #3: Cab MerMarqeNac Wine
Kegged: Two Hearts IPA, Pumpkin Ale
Bottles: Carmel Apple Cider, Big 50 Barleywine, Framboise Lambic, Barolo Wine, Berry Rhubarb Wine, Black Currant wine
On Deck: BGSA