If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:" p$ I9 v; F( H; F% _" Z
/ _. m7 a& n' W+ a% z) b7 X(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot9 j0 v, O% @" D0 C: `5 K0 a
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(2) To buy a round or square think-glass-disk with diameter or side length of 1 inch. If you can't find it, you can go 99 cents stores or dollartree to buy a large-clear-cloth-button at similar size. [( N% ]& d4 G ) W$ ]4 C2 R2 N4 I& Y(3) Prepare Epoxy well, spread the paste to one side of the glass or button, attach it to the crack-upper-end from inside of windshield. Wait for 24 hrs. It'll be as solid as a rock and permanently stop the crack extension.