Material attached with staples

My recently cat has a few split claws right now and I'm not sure if it's from the cat tower yet, I'm going to be keeping an eye on how they grow out. But this cat tower has the fabric/material attached with staples that you can see, which seems really unsafe for cats who could get their claws caught on them. Also the base needs to be a little heavier, once or twice now I have woken up in the morning and she has knocked it over.

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