Your production team tells you they need to sew 100,000 bags and they are wanting to know the difference between 12/5 and 13/4 yarn. Someone also asked you if the thread has a “Z” twist or an “S” twist. Don’t panic! We’ve collected all you need to know to be a thread expert (or at least to be able to pass yourself off as one.)
Once you’ve learned all you need to know about thread from Thread-U-Cation, then you need to know how much crepe tape you need to order! We are here to save the day with common terms and formulas.