Using action camera,smartphone and 30 min of your time
you can build periscope out of cardboard and hot glue.
music by NCS
Track:Jim Yosef - Link [NCS Release]
download:/Stream for FREE: http://ncs.io/LinkID
youtube link:https://www.youtube.com/watch?v=9iHM6...
Amazing Cardboard Periscope for Smartphones ─ American Hacker
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