I've used mine for making very thin bias strips for applique. Using my trusty ruler on fabric, cut the first edge, move the ruler over 1/4" use Hera marker to make the fold, mover ruler another 1/4" cut. The Hera marker also does the trick for sewing on silk.
PS: K roll, I'm not sure that that's a sewing tool at all but it sure is pretty and you might want to take that to a Chinese antiquities person.

I've used one for many years. It's also used for paper crafts. They are made from hard plastic or bone and leave a crease mark. Nothing to wash out.
Now to the mystery post!
The meaning is usually pretty obvious when auto correct tries to 'help' but this is intriguing!

Thank you so much for sharing this!! I believe I need to get one of those! :-)

I have use a Hera marker since they first came out. It is important when marking the lines on a large quilt to keep checking back with your center line so you don't add extra width to you lines.

Goodness you can't be that old! LOL. I have my great grandmother's hera marker made from some kind of bone. She said it belonged to her grandmother! I have one of the new ones with the point turner at the end and I like it too.

I meant when Clover came out with their white plastic Hera marker. That is what was shown in Tartan's picture:
http://www.joann.com/clover-hera-marker/9620873.html

Tartan - did you make both the horizontal and the vertical lines in your sample with the hera marker?

I must be doing something wrong because I can never see the marks well enough using the hera marker. Maybe I'm not pressing down hard enough?