Between my finger and my thumbThe squat pen rests; snug as a gun.. Simile: it fits his hand and is powerful . Under my window a clean rasping sound When the spade sinks into gravelly ground: My father, digging. I look down . Rhyme. Repetition: Digging is literally what he watches his father do- it is repeated because his father and grandfather spent the days of their lives doing this. Digging represents manual labour, a masculine task and making a living..