You must use your Manchester Metropolitan University email to register for a Drapers account.
You just need to register once. After registering, access subscriber only content by signing in with your Drapers username and password.
There is a Sign in button (screenshot below) on all pages of the Drapers Online website.
This brings up options to sign in, register or create an account. If you have not registered yet, ensure that you use the Manchester Metropolitan registration page to register for an account