Selection of zippers according to materials and usage
- For example, when the No.3 zipper was used for thick fabrics over 12 ounces, the fabric or pull-tab broke.
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Use No.4 or higher zippers for thicker fabrics. (Use No.3 for thin fabrics.)
- The notch lock slider (shoulder stop) dropped when it was used for the front of an outer garment.
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Use an automatic slider that locks automatically for the front of a garment (the CA slider and the ZA slider give variety to pull-tabs)
- If the pinlock(DP) slider is used for a pocket, there is a danger of injury from projecting parts.
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Avoid using the pinlock slider. Use the DA type(automatic) slider or the DF type(non-lock)slider.