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Tom Bihn Forums: Community discussion on travel bags, laptop bags, and backpacks. Tom Bihn has been designing and making bags since 1972. The best materials and innovative construction.

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  1. #1
    Forum Member
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    Synapse Mod, Attachment Point

    I wanted a quick way to attach a carabiner to my Synapse and found this little item in a boating store. Not sure what it's called, but it worked perfectly. Since one side is flat, it ensures that it doesn't rotate around and stays put. Also, it's easily reversible so doesn't require you to do anything except for tightening a single screw. Hope someone else finds this useful.

    Synapse Mod, Attachment Point-dscf0437-jpg

    Synapse Mod, Attachment Point-dscf0433-jpg

    Synapse Mod, Attachment Point-dscf0434-jpg

    Synapse Mod, Attachment Point-dscf0435-jpg

    Synapse Mod, Attachment Point-dscf0436-jpg

  2. #2
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    That would be a "forged 'D' shackle with pin". They are also available with a wider pin opening if you didn't want it to pinch your webbing. Fun fact: that shackle is likely rated for a working load of over 1500 lbs with a breaking strength of over 3000 lbs. Just check with the shop that sold it to you and ask for a product information sheet before you try anywhere near that.

  3. #3
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    Cool. Thanks Miking.

  4. #4
    Registered User rlandis's Avatar
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    Quote Originally Posted by Miking View Post
    That would be a "forged 'D' shackle with pin". They are also available with a wider pin opening if you didn't want it to pinch your webbing. Fun fact: that shackle is likely rated for a working load of over 1500 lbs with a breaking strength of over 3000 lbs. Just check with the shop that sold it to you and ask for a product information sheet before you try anywhere near that.
    It's amazing that info like this is available on these forums. Very cool.
    Owner, Fool On The Hill Recording, Nashville TN

  5. #5
    Forum Member dnarud13's Avatar
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    Though not as heavy duty as the above, Grimlock carabiners may be just what you're looking for. These are surprisingly strong and very light and quiet.
    [2003] Brain Bag (w/Lg A45 Packing Cube, Snake Charmer & 2 Brain cells) ___________________________________________ "Be excellent to each other."
    - [2010] Aeronaut (w/Absolute, 1lg/2sm Packing Cubes, Travel Tray & 3D clear cube)
    - - [2013] Co-Pilot (w/S.O.S. strap, Cache, Clear Org wallet, 3D mesh cube )
    - - - [2015] Tristar (PCSB, Passport Pouch & 3D clear cube) ... got to get some more packing cubes.

  6. #6
    Forum Member dorayme's Avatar
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    dnarud13, now those grimlocks are awesome!
    I really, really like TB Bags!

  7. #7
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    Just curious, what would you attach to the carabiner on the front? I'm having trouble thinking of possible uses for this.

  8. #8
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    Quote Originally Posted by rlandis View Post
    It's amazing that info like this is available on these forums. Very cool.
    That's me! Purveyor of trivial trivia and outlandish ideas! I think I may have went a bit overboard on mine.....
    Synapse Mod, Attachment Point-image-jpg

  9. #9
    Forum Member Peruvian's Avatar
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    Quote Originally Posted by henryjin View Post
    Just curious, what would you attach to the carabiner on the front? I'm having trouble thinking of possible uses for this.
    Right off the top of my head I can think of handheld GPS units while hiking; flash lights, whistles; small digital cameras, etc.

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