It is attached with strong ropes that will ensure it does not snap. (abckidsinc.com)
Together, a high density of strands will add up to a much stronger rope. (blog.bridgeathletic.com)
First, the scientists created bundles of six double - helix molecules, then put four of these bundles together to make a stable, somewhat rigid building material — similar to the way individual fibrous strands are woven together to make a very strong rope. (sciencedaily.com)