Some time ago I made a video to teach people how to wrap rucksack strapping with Paracord (or any other kind of cordage, really). I also explain how to calculate (to within a few inches) how much cordage is needed for any given strap without actually having to do any math what-so-ever!
For your enjoyment, the Paracord Grab Strap Wrap:
[video=youtube;J0jkB45xSO0]https://www.youtube.com/watch?v=J0jkB45xSO0[/video]
For your enjoyment, the Paracord Grab Strap Wrap:
[video=youtube;J0jkB45xSO0]https://www.youtube.com/watch?v=J0jkB45xSO0[/video]