If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: , x, K# [: d# |+ m2 R% |# \' J* [ 9 e$ R! C3 ]7 O$ O(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot . l7 o+ V- P6 q) p+ u. ~ 1 E$ D4 F' j- l(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.4 ]3 g3 s; o; ^1 a
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(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.