KIYOHARA-SUN COCK-One-Touch Plus Snap-13mm-SUN17-33 Super easy! Just snap it on by hand with this one-touch plus snap. Perfect for miscellaneous uses like bag openings or coin case fasteners! Recommended for light users since it's so easy to use. ■ Installation Method Simply insert the parts and snap them into place by hand! If it's too stiff by hand... You can also press it in using a sewing thread spool! When inserting, apply force straight down from above. ■Recommended Fabric Thickness for