Good Riddles

Question: You may enter, but you may not come in, I have space, but no room, I have keys, but open no lock. What am I?

Question: From "N" to "S" I travel I wish I had a paddle... The closer I get- there`s less of me Further away from "N" I flee In the surroundings I slowly fade One soul for another I trade What am I?

Question: What kind of coat can only be put on when wet?

Question: When you need me, you throw me away. But when you're done with me, you bring me back.

What am I?

Question: What fastens two people yet touches only one?