just something i learned from youtube a while back, you might have already seen them but i just think they work great and it always comes in handy for me when I'm out and about.
[video=youtube;xA4a7pb232Q]https://www.youtube.com/watch?v=xA4a7pb232Q[/video]
[video=youtube;xA4a7pb232Q]https://www.youtube.com/watch?v=xA4a7pb232Q[/video]
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