Green’s Dictionary of Slang

walkers n.

the feet.

1608		Chapman Iliad xx 36: And with them halted down (Proud of his strength) lame Mulciber, his walkers quite misgrown [F&H].
1825		Pierce Egan’s Life in London 4 Sept. 253/2: Gybletts [...] made a gyblet pie of red robin, and served him up in prime style [...] He spoilt his walkers; he damaged his flyers; he cut up his upper crust; he trimmed his gizzard; and, by way of a finish, he touched his heart.
1849		W.C. Hall ‘Mike Hooter’s Fight with the “Bar”’ Spirit of the Times 10 Nov. (N.Y.) 452: The crittur, seein’ as how ’twouldn’t do to play possum no longer, gin to grabble about for his walkers.
1903		Hoxie Sentinel (Kenneth, KS) 9 July 1/4: He had blisters on his walkers.