Seam slippage

Troubleshooting and sewing defects
Displacement of fabric yarns away from the seam line under load, creating an opening without thread breakage.
Also known as
Yarn slippage at seam
Not to be confused with Not the same as seam failure caused by thread breakage.
Translations
DE Nahtschieben
FR Glissement de couture
ES Deslizamiento de la costura
IT Scorrimento della cucitura
CN 接缝滑移
VN Trượt đường may