You have the continual rhythmic chanting of the engines, and you feel this intuitive wholeness. It's an altered state of consciousness. It makes them nervous. It can be annoying. Our consciousness is merely different sets of neurons in different brain areas firing at different times, creating this sense of self-awareness.
Memory is just the refiring of established patterns of neurons.
And symbols express that. They really can't. The club's strength is interpersonal commitment. When they're fighting club wars, they'd rather haver fewer individuals and know them than have twenty unknown people. This is where an established club has an advantage over an unestablished one.