Baby gate latch
thingiverse
I'm installing a secondary locking mechanism on my Amazon baby/pet gate latch since my kid managed to open it from the other side. This called for some extra security measures. Gate: https://www.amazon.com/PAWLAND-144-inch-30-inches-Freestanding-Included/dp/B07YF74Z4T I'm posting this solution as a starting point for anyone else dealing with a similar issue, though it's tailored to a very specific situation.
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