How can I lock/unlock my domain name(s)?
From help.pananames.com
You can lock/unlock your domain name(s) either one by one or to use the Bulk action for more than 2 domain name(s):
1) If you want to lock/unlock only one domain name, click on the lock symbol in the same row with your domain name in the column "Lock" and press on what you require:
2) If you want to lock/unlock several domain names, put a tick for them and in the upper menu "Choose action" click on "Locking":
Then you will see the following window:
Now choose the locking status you wish to have for your domain names.
Later the email will be send to your email box to inform you about the changes made.