I came across this shawl/wrap, not handmade. But I thought the idea of adding snaps on both ends of a rectangular wrap could work with a handmade wrap. Interesting-it would make it more versatile.
https://shop.lululemon.com/p/women-scarves-gloves/Rejuvenate-Scarf/_/prod8900772?color=28390&PID=8248019&CID=cj
https://shop.lululemon.com/p/women-scarves-gloves/Rejuvenate-Scarf/_/prod8900772?color=28390&PID=8248019&CID=cj