The handle section of the door has a pin that is inserted in the main door.
This handle section forms a mini door and rotated about the main door due the pin.
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When a user tries to push the handle from the pull side. the user experiences something similar to missing a step on a flight of stairs, as the door
section swings open to the otherside while the door remains where it is, in some cases the user may crash into the door and break a nose or a few teeth, thus learning a lesson, to be more attentive to the real world. and let their smart phones remain in pockets. -
When a user pulls a from the pull side, the door swings open normal due to the collar that acts like a stopper for the handle section.
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While on the push side, the user has no handle and hence has no option other than pushing, and yet again the collar acts as a stopper for the handle section and swings the whole door open.
