I agree. An individual gave me a bag of thread like that. Said she just didn't like the brand. It was divvied to different friends but informing them why I didn't want some of it. One let's her grands use it to practice hand stitching and mending.
Originally Posted by
ckcowl
The threads that pass the tug test go ahead and keep/ use, some cotton threads do tend to be a little more ( linty)
if they are too weak for the tug test they may still work fine for embroidery or serger use, pass them on if you have no desire to use them.