How about a piece of wearable art to hold scarf or shawl in place? 
This magnetic pin is a piece of jewelry as a shawl pin or scarf pin.
Or can be used alone, or as a closure.  Will not pull, snag or poke a hole in any fabric.
These buttons with a dorset button base are just for that purpose.

Made in the USA.  
Smoke free, pet free.

Please contact for more details.