Core Viewpoint - The widespread discussion on social media regarding the safety design flaws of smart locks highlights significant consumer concerns about hand injuries caused by these products [1][3][4]. Group 1: Consumer Experiences - Numerous users have shared painful experiences of being injured by smart locks, with reports of severe injuries including swelling, blood clots, and even fractures [4]. - A viral "cucumber test" video has visually demonstrated the design flaws of current smart lock products, emphasizing the potential dangers [6]. Group 2: Industry Standards and Design Flaws - The prevalent use of the 6068 lock body structure in smart locks has been identified as a key design flaw, with insufficient space between the lock and door frame leading to hand injuries [7]. - Although the 6068 lock body meets national standards, the 60mm distance from the lock core to the door edge is inadequate for safe operation [7]. Group 3: Consumer Response and Company Accountability - Consumers often face dismissive responses from companies when reporting injuries, with some companies attributing the issues to user error rather than design flaws [9]. - In response to safety concerns, some users have resorted to DIY modifications to improve safety, reflecting a lack of proactive measures from manufacturers [9]. Group 4: Solutions and Industry Reflection - A leading company in the smart security industry, Wangli, has developed a new design that extends the lock body distance by 20mm, effectively eliminating the risk of hand injuries [11]. - The ongoing discussion about smart lock safety has prompted a broader industry reflection on the importance of user safety in product design, emphasizing that safety should be a primary consideration [12].