Answer:
I have a straight back and sharp teeth to cut objects.
People walk in and out of me. They push me and I follow. When they walk out on me I close up and I stay waiting for the next person to walk into my life when I have a more open mind
I am useless when together but useful when I am broken apart. What am I?
I let water fall on you while everyone else stays dry. What am I?
I have a hundred legs but cannot stand. I have a long neck but no head. I cannot see and I help keep your house neat and tidy.
If you can spot one of these eastern warriors, it means they're not doing their job right.