Add a spider, like they did. And stop ringing it, like they also did.
Make it out of a less brittle mix of alloys.
https://constitutioncenter.org/blog/10-fascinating-facts-about-the-liberty-bell Theoretically if they do not ring the bell then the vibrations and the impacts that originally cracked it, then it won't crack more.
I think it might be done cracking I don't know not a philosopher.
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