If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:4 s+ e/ i0 T$ j3 O- h5 z
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(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot; C7 _& g$ F. T9 \) x) ?
9 m, a3 \0 Q- }9 I4 D(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.5 [# Y2 }8 z% D+ ?. O- m# A
3 E# I8 A: w( o. H: g(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.