Messenger Bag Sew Along Part 3 November 25, 2011 by Andrea Leave a Comment At this point in the sew along you have completed steps 1 through 6 of the messenger bag. If you need to catch up check out part 1 and part 2. Step 7: Sew Side Pockets Pin right sides of a lining piece C and an outside piece C together. Sew along the top, longer end. Check out the the rest of Part 3 of this Sew Along here.