You'll need a password to complete an application you've already started.

Yes, I've already set a password
You've received an email from Cushon, followed the link provided and set a password.
No, I haven't set a password
You haven't followed the link provided in the email we sent asking you to set a password.
I'm not sure I've set a password
You may have started to sign up with Cushon but aren't sure whether you've set a password.