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Do you have pushed the door and crashed into another embarrassing?
Have you met the door was closed unexpectedly lock the door?
This is the design of a security door handle, Shape by tree morphology
But also to avoid pinching your fingers.The door lamp is a warning,
if someone behind the door, it will light, avoid pushing the door hit others.
Shenzhen Institute of Technology
shenzhen, China
Shenzhen Institute of Technology
shenzhen, China