Safety beads in size 10mm are most often used to complete projects such as dummy holders, pram hangers, key rings etc. Safety beads means that the hole has been drilled slightly larger in one side of the bead. Hereby you can both hide the knot inside the bead, but at the same time you also secure. that the knot cannot be pulled through the bead so that your work falls apart - and not least poses a danger to the baby.