Ka-Jinker Jems Faceted Round 15/Pkg. The Ka-Jinker is a revolutionary new no-sew, no-glue attachment tool and embellishment program for decorating craft projects. Just one quick click with the Ka-Jinker tool and a decorative Ka-Jinker Jem is attached to any project with a colored Ka-Jinker link. The jems and links are available in a rainbow of colors and are designed to work exclusively with the Ka-Jinker tool.