We call these the "Scout Specials"
3 yards of Walmart fabric at $1.50 $4.50 plus tax
Pack of harbor freight yellow cinch straps $3.99 plus tax
accordian fold/gather the fabric, knot each end (do with a friend for teamwork)
take a hammer to the soft metal cam buckles until you can slide out the loop (hitting stuff is fun, being careful not to cut the webbing takes aim...)
run non-looped end around tree and through the loop--tie off to knot with 3 wraps, add an overhand and a quick release--each side
futz/practice with it until perfect
Total Package: under $10.00 for a bang around hang. Nothing Fancy.
(no, we don't sew or heat the edges, hasn't been much of a problem for around 3 years of use)