Green’s Dictionary of Slang

tugger n.1

[the wicker boxcar in which she collects her stock and which she tugs around the streets]

(Irish) a woman who deals in old clothes.

[Ire](con. 1930s–50s) E. Mac Thomáis Janey Mack, Me Shirt is Black 108: The Tuggers was the nickname for the women who collected old clothes in big wicker boxcars.
[Ire](con. 1910s) R. Doyle A Star Called Henry (2000) 63: We helped the tuggers. We pushed their basket cars for them when they were tired.