User Rating: / 0
PoorBest 

Birdnest, birdsnest, birdnesting

Collection of thread between the material being sewn and the needle plate, resembling a bird's nest. Formation of a bird's nest prevents free movement of goods and may be caused by

  • inadequate tensioning of the top thread,
  • top thread not through take-up lever
  • top thread not following thread path correctly
  • flagging of goods.
Labels: Glossary