Is there any door lock that can always be opened from the inside, so that I can get out easily when there is an earthquake? - Quora
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Malimali Door Lock Latch for Inside Door, Extra Swing Bar Door Latch for Front Door, Security Hotel Apartment Door Lock for Kids Safety (Silver, 1 Pack) - Amazon.com
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Auto latching stainless steel spring bolt 4 inch plug mount bolt security Inside Door Lock - AliExpress
![Amazon.com: Sliding bolt door lock (stainless steel), Spring Loaded Latch, Slide Lock for Inside Door, Sliding Bolt Gate Latch Press Button Hardware for Kitchen, Toilet, Bathroom Shed(Size:2 inches,Color:Black) : Tools & Home Amazon.com: Sliding bolt door lock (stainless steel), Spring Loaded Latch, Slide Lock for Inside Door, Sliding Bolt Gate Latch Press Button Hardware for Kitchen, Toilet, Bathroom Shed(Size:2 inches,Color:Black) : Tools & Home](https://m.media-amazon.com/images/I/616C+J4P77L.jpg)