In the Chrome browser, go to the Mobile Locker for Gmail page in the Chrome Web Store and click Click Add to Chrome.
When prompted, click Add extension.
Once it is installed, you'll see the grayed-out Mobile Locker icon in the Chrome menu:
It is grayed-out because until you go to Gmail.
When Gmail is open, it will be active:
Click the Mobile Locker button and log in with your Mobile Locker credentials:
Select the files you want to share.
Enter the recipient's email address.
Click Make Links.
Then click Copy to clipboard.
Paste the links into your email, then send it! You will be notified when the recipient clicks each link.