machine video

1.
https://www.youtube.com/watch?v=MUHhPdcI4hA

​2.
https://www.youtube.com/watch?v=WZQNYq0Enn8

3.
https://www.youtube.com/watch?v=_P8nh7J2KLc

4.
https://www.youtube.com/watch?v=F-pa0FVdSdU

5.
https://www.youtube.com/watch?v=NSR52Q3R1k0

more detail: http://www.headercardstapler.com/