Why is my thread bunching underneath?
A: Looping on the underside, or back of the fabric, means the top tension is too loose compared to the bobbin tension, so the bobbin thread is pulling too much top thread underneath. By tightening the top tension, the loops will stop, but the added tension may cause breakage, especially with sensitive threads.
Do I need a walking foot to sew knits?
One way to keep your knit fabric from growing while you’re sewing is to use a Walking Foot. A while back I did a post on the Walking Foot. While not essential, it has an amazing effect on the way your knit fabrics sew. Basically, it keeps the fabric from stretching while you sew.
Why is my top thread so tight?
If the bobbin thread was incorrectly threaded, the upper thread may be too tight. … If the upper thread was incorrectly threaded, the upper thread may be too loose. 4. To increase the upper tension – increase the tension setting or turn the knob to the right.
What tension should I use for silk?
Generally speaking silk fabrics and other lightweight counterparts will require a smaller needle such as a 60/8, 70/10 (fine silk, georgette, chiffon) or 80/12 (medium weight silk).