In 'The Furthest Distances I've Travelled', the quote "alien pants, the throwaway comment... a tiny stowaway pressed flower amid bottom drawers", the use of Rhyme Riche ('throwaway' & 'stowaway') suggests something said casually or without much thought ('throwaway'), often insignificant, whilst a 'stowaway' refers to something small and hidden, possibly with a deeper, unintended significance