How To Thread A Strap Buckle

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Here is a tutorial that shows how to properly thread a ladder lock buckle.

The ladder lock buckle allows you to adjust the length of a strap when desired, and to automatically lock it to the chosen length. It is used to adapt the shoulder straps on the Troika foldtop backpack pattern.

The ladder lock buckle

The ladder lock buckle has 3 threading holes and two bars.

Ladder lock buckle for backpack shoulder straps

Right and wrong side of the buckle

Determining the right and wrong side of the buckle is important so that the threading is done correctly and the length of the strap can remain adjustable when desired, while locking automatically.

At beginning glance, y'all tin usually tell the right side from the wrong side of the buckle.

To be absolutely sure, just look at the bottom bar : the bar closest to the tongue.

The right side of the buckle is the side on which the lower bar (near the tongue) is raised when compared to the superlative bar. This bar might sometimes also be ribbed on the right side (this is not the case for the one in the photo).

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  Correct side – Lower bar is raised when compared to the top bar

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  Wrong side – Lower bar is sinked when compared to the elevation bar

Threading the fixed webbing

Tip: remember to finish the ends of your webbing to prevent it from fraying. Either past a zigzag sew together, or by burning the ends ( just if the webbing is made out of polypropylene, do not burn a cotton webbing), or, as I did hither, past applying glue to the ends.

You'll need 2 pieces of webbing to thread the buckle. One slice won't exist adaptable (fixed) and the other piece will exist adjustable.

To thread the stock-still webbing :

1. Thread the webbing into the acme hole, from the wrong side of the buckle to the right side of the buckle
2. Then around the top bar, in the eye pigsty and to the back of the buckle.
3. Pull a few cm of strap on the back of the buckle.

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Then sew this webbing where you want it on the bag. Don't forget to topstitch along the buckle so that it doesn't have too much room to move. Here, the webbing is sewn on a shoulder strap of the Troika backpack.

Webbing sewn on a shoulder strap of the Troika backpack.

Threading the adaptable webbing

Take the second slice of strap, the one that will be adjustable.

For the Troika backpack, one end of this webbing is already sewn onto the bag.

1. Thread the free end of the webbing through the middle pigsty, from the wrong side of the buckle to the right side of the buckle.
2. And then thread the webbing effectually the lower bar, into the lower hole,
3. and under the tongue.

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Be careful non to twist the webbing.

End consequence of threading the ladder lock buckle

Here is the result on the shoulder straps of the Troika backpack:

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Another tutorial for the Troika backpack: Threading a clip buckle

Aussi sur le blogôtin ~ Likewise on the Blogôtin :

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Source: https://sacotin.com/en/ladder-lock-buckle-tutorial/

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