KIDS!
Kids, kids, kids!
Just because it says CONTRACT it does not mean it is legally bonding! many contracts are illegal (most banks, Networks, work, etc) the problems start when one party wants to enforce it! either you come to an agreement or you end up in court.
What if you tell Risworth " I ain't paying ****! " What are they going to do? take you to court and tell the judge that they told you to sign a contract that it says that you blindly will sign another contract after some other fact? In most places of the world specially in Labor Law the law sides with the weaker.
The contract companies KNOW, they have lawyers, you don't (normally, some do) If they tell you do not show it to anyone THAT is enough reason to show it to a lawyer!
It is like the no competition clauses, another bunch of BS! very rare that applies