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We all have the experience that when your USB insert to the fillister but in the wrong side.Though it just take seconds to change the direction,it would happened next time.
Let the user intuitional understand which direction is right without changing or taking time to see if it is correct.Use little bosses with sticky stick on the objects as USB,and
the other direction's fillister stick another.With the bosses,we just need to put the bosses at the same side.Before inserting,you see the boss on the fillister,
and your hands will touch the boss on the one side.With these two sense of sight and touch,you can insert without hesitation.



TAIPEI, Taiwan