If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:. x. P9 N' r% b5 B0 I
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(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot% A! |$ r# A/ a8 G% t
* i# V3 _7 [6 s+ J! R, }4 }(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.* S8 H1 v% c/ U+ V8 \
* {; t: ^. B% d3 @ Q9 A( ?(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.