with large fins facing upward attach the fish eyes making sure the eyes are on opposite sides so the fish can be sewn together later. it’s the moment where you find all the ideas and the all look of your movement, it’s the most creative moment. however, we have noticed they do help protect the bottom of the pack, which is always a plus. makes a fun yet practical mug as well as a great conversation piece. if you are you looking for more information about free system look into the page. i scratch my head at these sorts of comments, too. 