There's a new spray (at least new to me) called "Grippy Spray" that you spray on the back of your ruler. It dries instantly and lasts quite awhile. It eventually wears off, but you can also wash it off. It's not real sticky but holds the rulers great. It's maybe 8 bucks a can...lasts a long time.
Last edited by Sewgood; 02-20-2022 at 06:07 AM.
Reason: punctuation