2:

 

Hawaiian 2,3,6

USA

 

plastic bag

flat base

peel off sticky strip

straight cut

3: with U.S. Patent No. 7,041,042    4,5cm

6: with U.S. Patent No. 7,041,042    6,5cm + LK

 

 

 

 

3:

 

 

6:

  3: