The Grandfathers that Black Elk refers to now are the horse dance performers playing the role of the Grandfathers—not the actual Grandfathers in his vision. The nation’s hoop’s presence is important here because it reaffirms Black Elk’s most immediate task at hand: to restore his people, his culture, and the unification they had before
Wasichu colonization. The presence of the “spirit horse” hoofprints implies that the ceremony caused both the spirit world and the physical world to converge.