Last winter I bought some round needles with the intent of learning to knit hats without a seam down the back. I had one hat in particular I wanted to try.
After four attempts at making the hat, I gave up on the round needles. The length from needle tip to needle tip was longer than my hat’s circumference, so the loops were always stretched tight. This meant that they didn’t slide nicely onto and off of the needles, which were thicker than the connector wire. I also didn’t know what I was doing, so I kept getting twists in my hat.
I decided to try them again this year, but I looked up how to knit in the round first online. Apparently you can buy round needles of different lengths. Sixteen inches is recommended for baby clothing and hats. I think my needles are 32″ long.
Apparently mine are good for knitting sweaters for large men.