This video walks you through installing a metal clasp frame onto The Kiss Clasp Sewing Box. This clasp installation is a little different because of the box shape. You can see how to install it here. Thanks!
The Kiss Clasp Sewing Box is a kit available from Zakka Workshop.
Kit includes one 7" x 3 ½" (18 x 9 cm) rose gold metal clasp and paper string for installation.
Finished Size: 3 ½" (9 cm) wide x 7" (18 cm) long x 2" (5 cm) tall
Extra clasps are available separately. Look for item #ZW6356.
https://www.zakkaworkshop.com/kits/zw2583-kiss-clasp-sewing-box