Answer:
If you spot one of these eastern warriors, they're not doing their job right.
What can be swallowed, But can also swallow you?
What wears a coat in the winter and pants in the summer?
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.
What can answer in any language? What can speak without a mouth? What can sing without an ear?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?