easy to use by li chen lin from taiwan

A.Holds back the type
1.Holding back to open the door.
2.When the items,it can be press by any position.
3.Increased convenience.
B.Habitual action
1.There is a part of protruding which is easy to move by hand.
2.The slightly flat surface design,which be press by position.
ex:Back of the hand or finger
3.Concave design with hand.
C.More design about life
1.The clip-on design can grip piece of paper,and link with thing.