On Wed, 23 Nov 2005 19:40:43 +0000, william mason
wrote:

You could always try it on an out of the way corner of the windscreen
before going the whole hog !

As I recall the directions for Rain-X contains a caution notice about
limiting skin contact. I would be careful about using it on a hog.
Perhaps, when it rains, you might fit the beast with a large plastic
trash bag with holes cut in it at appropriate locations.