Pour the milk and OWYN Dark Chocolate Protein Shake Bottle into a saucepan over medium-low heat. Bring to a low simmer and whisk in 4 oz of the semi-sweet chocolate (about half a cup) and the cocoa powder until smooth. Being careful to not let the milk boil. Turn off the heat and whisk in the vanilla and almond extract.
To make the chocolate dipped, graham cracker rims, melt the remaining 4 oz of semi-sweet chocolate on a plate in the microwave for about 45 seconds, or until melted. Pour the crushed graham crackers out on a separate plate. Working with one mug at a time, swirl the rim in the melted chocolate and then dip into the crushed graham crackers to coat. Let the rims set for a couple minutes prior to filling the mug with the hot chocolate.