New Soft Shackle Design from Hummingbird Hammocks


Hummingbird Hammocks recently sent me a prototype hammock to review and they gave me permission to “leak” this little snippet they created. They have been using a soft shackle design since they came out with their first hammock, but it has gone through some significant upgrades to improve performance and usability.


The new soft shackle uses a “button” style toggle that is much easier to use. Soft shackles are a lightweight alternative to a carabiner, to allow two loops to attach to each other, typically a Whoopie Sling to a hammock.


These soft shackles are built into the new hammocks from Hummingbird, but their designs are freely available thanks to their association with the Open Source Hardware movement.

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2 Responses

  1. Dave says:

    Very nice – looks like a solid addition to our handy Amsteel toolbox!

    Do they have any stress-testing published on the failure point? It seems like the “button” can be the breaking point, unless it functions more like the toggle of a Marlinspike.

    • Derek says:

      It is a toggle, but there is always some stress on the toggle. I’d have to check their open source docs or ask directly about fail points.

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