拉鍊小包

這個小包是用來練習車拉鍊的。

拉鍊依然沒車好，還發現襯也燙得亂七八糟。

到底要如何才能讓襯在翻面後保持平整呢？

This pouch is for practicing sewing a zipper.

It didn’t work well, and the fusible interfacing is awful.

Does any one know how to keep the fusible interfacing flat after turning to the outer?