If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:( h) ~5 K0 R' @2 p) k
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(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot 3 k; K3 U5 q$ k) k9 |% K9 J/ e1 F1 ]% W. G. a5 ]/ r# q
(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. " w% f2 C' {7 O l9 r3 j' V$ U( w
(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.