I didn't believe this would actually work - until it did! I used an acrylic keychain and Silhouette Brand Heat Foil with the Silhouette Curio 2, and I am in love with the results.
I used:
Solitude Font - https://www.creativefabrica.com/product/solitude-8/ref/3248309/
Brush Strokes - https://www.creativefabrica.com/product/22-paint-brush-strokes-svg-bundle-vol-13/ref/3248309/
Curio 2 - https://amzn.to/3WYiJQ5
Silhouette Heat Foil - https://amzn.to/4fF2LSi
Acrylic Blanks - https://amzn.to/3YCiXxB