Paper works quite well (napkin or thin paper towel?), but I use juice jars
with a neck small enough to stopper with a wad of polyester filter floss.
-- Wright Huntley, Fremont CA, USA, 510 494-8679 huntleyone at home dot com
"DEMOCRACY" is two wolves and a lamb voting on lunch. "LIBERTY" is a well-armed lamb denying enforcement of the vote. *** http://www.self-gov.org/index.html ***