1. BULLETS 
Zero twisted or low twisted Double Yarn.  
2. BOTTOMS
Yarn left over on the surface of the cop or cheese after winding.  
3. CORK SCREW
One yarn is straight and other one is twisted on it. 
 
4.COUNT VARIATION 
There is difference in count compared to required count.  3/4 
5.FOLD YARN 
Yarn containing 3 or 4 fold yarn. 
6. GRIANDRILLE BAR 
Use of wrong component in double yarn.  
7.NEPS 
Pinhead structure like fibre mass.  
8.SLUBS 
Abnormal thick places over a short length. 
9. SPUN IN LINT 
Accumulated fly twisted with the yarn. 
10. THICK END 
Diameter is more than the normal yarn.  
11.THICK PICK 
Diameter is more than the normal yarn. 
12. TWIST VARIATION 
Less Twist or more than normal twist.  
13.YARN MIXING 
Mix up of different colour, count; twist direction, blend and shade.
 
14. KNOTS 
Joint of broken thread.
15.  OILY YARN 
Oil stained yarn. 
16. BAD SPLICING 
Improper knot less joint.  
