Those look like old crochet hooks; shaving the hooks off might result in the shades of craftswomen from the past haunting you for desecrating their prize possessions.

They would probably be too thick to go through the weave of tartan cloth without making holes.

You might find that tying the corners with a cord is a kinder method of securing the cloth.

I use a cord to keep a long plaid on my shoulder, where the long ends cross over on the left shoulder, as without that it was rather uncertain as to the outcome if I walked and beat my drum at the same time.

Anne the Pleater :ootd: