Form or function. Yes they do look funny. My same thoughts.....
But they keep the plastic running nice.
"Larry Jaques" wrote in message
...
On Wed, 3 Mar 2010 08:10:25 -0800, the infamous "jloomis"
scrawled the following:

Designed a new carport/greenhouse for the client.
just completed.
john

Nice and big, huh? Booful!


BTW, that wiggly board sure looks funny through clear panels.

--
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