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THE RIGHT KEY / key

THE RIGHT KEY
THE RIGHT KEY

Usually, we have inserted a key,but it can not be turned
for unlocking.
So we have to pull the key out and turning it by 180°,
then insert it AGAIN!or AGAIN!
Now there is only ONE way inserting your key for unlocking correctly once. People don`t need to try the wrong ways inserting keys any more by changing the shape of the key`s end.

University

Hebei University of Technology

Hebei University of Technology
Tianjin, China

Design

Hebei University of Technology

Hebei University of Technology
Tianjin, China

Wei Liu