Final answer:
Without the specific details of the poem in question, it is impossible to accurately describe why the Green Knight in stanza 10 holds two different items and what each represents.
Step-by-step explanation:
The context of the question seems to be related to a poem where the Green Knight is holding two different items, each significant in terms of literary symbolism. Unfortunately, there is not enough specific information to pinpoint which poem or stanza 10 the question refers to. Without the particular text, it is challenging to provide an accurate analysis of the symbolism behind the Green Knight's items. Symbolism in literature typically involves objects, figures, or colors used to represent concepts or ideas. In general, poets choose such symbols to convey deeper levels of meaning, and they might select contrasting symbols to highlight a dual nature or conflict within the text. The green color itself often symbolizes nature, fertility, or life. However, without the exact text, it is not possible to give an educated response regarding what each item the Green Knight holds represents.