How do I use the Arctos 20 as a hammock top quilt? Steph March 30, 2021 21:06 Updated Follow Watch this video to view step-by-step instruction about how to set up the Arctos 20 trail quilt in top quilt mode. Related articles How do I set up the Arctos 20 as a hammock underquilt? What is new about the Roo Double, compared to past versions? Comments 0 comments Please sign in to leave a comment.