On Wed, 3 Mar 2010 21:44:56 -0800, the infamous "jloomis"
scrawled the following:

Form or function. Yes they do look funny. My same thoughts.....
But they keep the plastic running nice.

That they do, plus they keep the elements (and wasps) out.

--
An author spends months writing a book, and maybe puts his
heart's blood into it, and then it lies about unread till
the reader has nothing else in the world to do.
-- W. Somerset Maugham, The Razor's Edge, 1943