Quoted from kcZ:Any tips on what to do about it this edge?
I'd like to strengthen it up. It leaves a pile of chips underneath.
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Late the party, but I'd agree that fiberglass resin is probably the best in terms of strength. There is more work involved to finish the resin which may be a downside.
Another alternative, that may be applicable here is a product from Minwax called Wood Hardener. You can get it at most big box stores or online. I've used it a fair amount on Arcade restorations with good success.
https://www.minwax.com/wood-products/maintenance-repair/minwax-high-performance-wood-hardener