Open car windshields generally have the finger pulls on the bottom part of the windshield frame. This is a link but many model A suppliers have them:
https://www.snydersantiqueauto.com/P...ndshield-parts
The gasket on the bottom side of the windshield frame will stop the windshield at the cowl top rail so that it won't try to "come in". There are also seals for the sides between the stanchions and the frame. Another link:
https://www.snydersantiqueauto.com/P...ndshield-parts