Small round hard stones…
click under my heels = shows irritation
My feet know…
and my hands, and the skin about my bones = repetition shows anger building up.
Hot, white…
inwards turning anger of my eyes = imagery.
Guard at the gatepost…
whites only inn.
Leaving small mean O…
of small mean mouth = reminds him of his anger as a little boy.
Nothing’s changed (ending) =
Emphasises his main point.