If your windscreen wiper fails during light or heavy rain, try this: If you can obtain a potato, cut it in half and rub over windscreen. Rain will run off just leaving small globules, making visibility good for driving
By Spoilground from Portarlington Victoria Australia
I did not know this! Sounds cheaper than RainX.
Will have to try this one.
This is a page about uses for potato peels. Don't toss those potato peels. They can be used as a tasty snack or in your garden.