press-pull Doorknob / press-pull Doorknob

The handles which named “press-pull”
can be used by pressing and pulling to
open the door. With stuff in hands, the
user can also open the door by his or
her elbow.
From a distance, The exterior shape looks
like a rounded dot, and it is hollow inside,
which express the modern idea —less is more.
Besides, it follows the Ergonomics.
The new way of opening makes the door open easily.