They are easy to use, you just need to put your eyes through the fabric, and then use the washers to fix it.
Stainless Steel Eyepins Eye pins 26mm 30mm 24 gauge 0.6mm Approximately 150pcs
YINVA 150Pcs Crochet Stitch Marker Knitting 150pcs Stitch, Colourful
TOAOB 300pcs Mini Black Glass Eyes Craft 2mm 3mm 4mm for Doll Making...
TOAOB 100pcs Deep Brown Glass Eyes Kits Craft 3mm to 12mm for
TOAOB 100pcs Deep Brown Glass Eyes Kits Craft 3mm to Small,