Seam quality and testing
A thread carried by a looper in chainstitch, overlock or coverstitch formation.
Also known as
Lower looper thread; upper looper thread
Not to be confused with
State upper or lower looper where relevant.
Translations
| DE | Greiferfaden |
| FR | Fil de boucleur |
| ES | Hilo del áncora |
| IT | Filo del crochet |
| CN | 弯针线 |
| VN | Chỉ móc |