Answer:
Makes arrows fly and kites soar!
A tasty reward given to well behaved dogs and kids
Retired people want these to be large and birds want them to hatch.
What age most travelers have?
If you are unsure how to use one then just ask a flight attendant.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.