I have it on good authority that tossing a ceramic spark plus over your shoulder into an oncoming windscreen can also be quite effective.
Only on the toughend side & rear glass it totally destroys them - cracks the whole window into little bits. Windscreens these days are laminated so it'll just chip or crack it.
Only on the toughend side & rear glass it totally destroys them - cracks the whole window into little bits. Windscreens these days are laminated so it'll just chip or crack it.