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How to Replace a "Strap Keeper" in a Backpack

How to Replace a "Strap Keeper" in a Backpack

Ben Blischke

Ben Blischke e um outro colaborador

Última atualização em April 11, 2025

10 minutos
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Introdução

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"Strap keepers" are the small pieces of elastic that hold in place the strap of your backpack. Although little in size, they play a big role in regulating the perfect length for the straps.

After constant use, you might notice that the "keepers" get overstretched. This is your cue to take matters in your own hands and start repairing! We will walk you through the steps of fixing this small but relevant inconvenience in no time.

➡️Before you get started, please check the safety disclaimer at the bottom of the page.

  1. How to Replace a "Strap Keeper" in a Backpack, Identify the repair area: passo 1, imagem 1 %32 How to Replace a "Strap Keeper" in a Backpack, Identify the repair area: passo 1, imagem 2 %32 How to Replace a "Strap Keeper" in a Backpack, Identify the repair area: passo 1, imagem 3 %32
    • Check the "strap keepers" of your backpack (red arrows).

    • The length of the elastic should be tight. In this example, we have a worn-out elastic that has expanded and is bigger than the width of the strap (green arrow).

  2. How to Replace a "Strap Keeper" in a Backpack, Measure the correct width: passo 2, imagem 1 %32 How to Replace a "Strap Keeper" in a Backpack, Measure the correct width: passo 2, imagem 2 %32 How to Replace a "Strap Keeper" in a Backpack, Measure the correct width: passo 2, imagem 3 %32
    • Use a pair of scissors to cut the old elastic.

    • Measure the width of the strap. In this example, the measurement was 2 cm (red line).

    • For the strap keeper replacement, we need to use the following formula:

    • Length = (Strap's width * 2.5) + 2 In our example this would be: (2 * 2.5) + 2 = 7

    • This means that the width of the new strap keeper would need to be 7 cm (green line).

  3. How to Replace a "Strap Keeper" in a Backpack, Prepare for stitching: passo 3, imagem 1 %32 How to Replace a "Strap Keeper" in a Backpack, Prepare for stitching: passo 3, imagem 2 %32 How to Replace a "Strap Keeper" in a Backpack, Prepare for stitching: passo 3, imagem 3 %32
    • Using a fabric pencil, mark the length calculated on the previous step. In this example, we are marking 7cm (green line).

    • Note: We are using an elastic band that will serve as the new "strap keeper". For this example, we chose the color black in order to make it stand out.

    • Cut along the marked length and then fold the elastic band around the strap.

  4. How to Replace a "Strap Keeper" in a Backpack, Stitch the "strap keeper": passo 4, imagem 1 %32 How to Replace a "Strap Keeper" in a Backpack, Stitch the "strap keeper": passo 4, imagem 2 %32 How to Replace a "Strap Keeper" in a Backpack, Stitch the "strap keeper": passo 4, imagem 3 %32
    • Before stitching remove the strap and align the elastic in the correct position.

    • Tip: For tips on setting up the machine take a look at this iFixit guide.

    • Make sure you leave 1 cm away from the edge (red line).

    • Clean the remaining loose threads.

  5. How to Replace a "Strap Keeper" in a Backpack, Turn the "strap keeper" inside out: passo 5, imagem 1 %32 How to Replace a "Strap Keeper" in a Backpack, Turn the "strap keeper" inside out: passo 5, imagem 2 %32 How to Replace a "Strap Keeper" in a Backpack, Turn the "strap keeper" inside out: passo 5, imagem 3 %32
    • Turn the "strap keeper" so that the sewn part is facing inwards.

  6. How to Replace a "Strap Keeper" in a Backpack, Insert the "strap keeper": passo 6, imagem 1 %32 How to Replace a "Strap Keeper" in a Backpack, Insert the "strap keeper": passo 6, imagem 2 %32 How to Replace a "Strap Keeper" in a Backpack, Insert the "strap keeper": passo 6, imagem 3 %32
    • Following the red arrows, insert the "strap keeper" into the strap with the buckle.

    • Once it has been inserted into the buckle, follow the direction of the yellow arrows.

    • Keep going forward and gently slide the "strap keeper" in the direction of the green arrows till it is holding the "loose" strap in place.

  7. How to Replace a "Strap Keeper" in a Backpack, Finished and ready!: passo 7, imagem 1 %32 How to Replace a "Strap Keeper" in a Backpack, Finished and ready!: passo 7, imagem 2 %32
    • 🛠️🏆👏 Congratulations! The repair is complete, and you're ready to go!

Conclusão

In need of another repair? Don't worry! Check out our other guides to find quick solutions for your favourite clothing, footwear and equipment!

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🚨🛠️🩹 IMPORTANT SAFETY NOTICE:

The repair guides provided on this site are intended to help you repair products on your own. While we have put a lot of care into them, all repair work carries some risk:

  1. Safety Precautions: When repairing your product, take all necessary precautions to ensure your safety. Use appropriate tools and follow the instructions carefully.
  2. Product Condition: Once your product has been repaired, it may not meet original compliance guidelines anymore and could potentially have issues.
  3. Liability: We are not responsible for any damage or injury that may occur during the repair process or as a result of using a repaired product. You, as the repairer, assume all risks and responsibilities associated with the repair.

By using these repair guides, you fully acknowledge and accept the potential risks and responsibilities involved.

Ben Blischke

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