This is the process of punching through the eyes of the needle.
1) The eyeing shop. This building was converted in 1941 into the canteen. Shown are Lizzie Wiggett, Horace Davis, Kate Smith, Frank Cox, Ada Wilkinson, Bill Aspendale and Jimmy Davis. 1925
2) The Hand Eying Shop. The image shows Bert Melley, Clara Whadcoat, Daisy Findon, Mrs Atkins, Maud Rogers, Harriet Chester and Jane Robinson. 1925
3) The Eyeing shop with Marjorie Morris and Iris Pinfold, and the forehead of Bill Harris behind. On the right are Cecil Grummett and Phyllis Clarke. 1946
4) A close up view of an eyeing machine, operated by Phillis Clarke. 1946