The Miffy Ready for Winter Needle Minder should be attached by sandwiching your embroidery fabric between the decorative top magnet and the plain backing magnet. Magnets are used because they won't pierce the fabric you are working on.
Needle Minder Magnet, Owl Needle Keeper for Sewing Magnetic Needle Minder Cross Stitch Accessories Secure Holder for Sewing Pins Needlework Embroidery Sewing Lover Gift
Cactus Needle Minder, Enamel Needle Minder, Cactus Magnet by Meloca Designs
Mandala Elephant Needle Minder, Enamel Needle Minder, Magnet by Meloca Designs
Silly Goose Magnet Needle Minder, Funny Cross Magnetic Needle Minder Pin Case Holder Keeper for Sewing Embroidery Needlework Crochet Gift Accessories
Mandala Cat Needle Minder, Enamel Needle Minder, Magnet by Meloca Designs
Beach Hut Needle Minder Needle Minder by Bothy Threads