Ortlieb nails it. folding coffee cone, you hold it over the cup
with tent stakes, twigs etc, thru the sleeves on the cone.
http://www.ortlieb.de/_prod.php?lang...rholder&pf=12a
I bought a reusable cotton fabric cone filter at the co op ,
rather than single use paper ones, (or just use paper towel)
then bought small Vacuum packed sample sizes of ground coffee as I went.
~o)