1.  From the Lockers page, click on the locker room that the locker you want to return is in.

2.  You can use the search function to search for specific lockers based on certain criteria.  See Search Lockers.

3.  Once you know which locker you want to return click on the Clear link located on the right of the locker.

You can also click on the Clear Expired button at the top of the Lockers page to clear all of the lockers that have passed their rental expiration date.