In "The Jilting of Granny Weatherall", why did Father Connolly tickle Granny Weatherall's feet?

The arrival of Father
Connolly heralds another moment of bitter-sweet humour as he begins to perform the Last Rites on
Granny Weatherall. Crucial to understanding the story is the point of view that is employed by
the author - we see everything from Granny Weatherall's point of view, and as she is dying, her
thinking is very confused and she makes associations that aren't expected in her
stream-of-consciousness narrative. Thus, whilst Father Connolly begins his Last Rites, we see
the overlapping images that are going on in...