A compound word for a support found at the top of a seat, particularly when traveling. Keep in mind: the first word may be at the bottom.
Reveal top + bottom answer and reasoning
Answer: HEAD REST
Top half: HEAD - HEAD is the first half of "head rest", the top + bottom answer for the shared final clue: "A compound word for a support found at the top of a seat, particularly when traveling. Keep in mind: the first word may be at the bottom".
Bottom half: REST - REST completes "head rest", so the top and bottom rows answer the shared final clue together.