[RawSlingshots]

and what thickness?

 

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Cotton butchers twine. I use leather working waxed twine.

 

[Underachiever]

Gents,

what cotton rope would you suggest for this?? really thin?? will it work the best with cotton rope??

I´m using Butchers Twine http://www.amazon.com/Cotton-Butchers-Twine-185-feet/dp/B000I1WNV0

 

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I'm using 1 mm dia cotton string once you practice this knot over and over you should be able to do it with eyes closed.