Embroidering Balbriggan Hosiery

Fascinating old photo this evening from Martin Fanning, shows three women with the title "Embroidering Balbriggan Hosiery" . We would love to know the story behind this one.
Fascinating old photo this evening from Martin Fanning, shows three women with the title "Embroidering Balbriggan Hosiery" . We would love to know the story behind this one.