GNOME : How to add Custom Folder links to left panel

Are you looking the way to Add Folder Shortcut To Left Panel File Browser ( Places ).

Toggle into the directory you want to make a shortcut and hit  Ctrl+D from your keyboard 

Lets take an example 

I want a folder named as NIB to be appear into the left panel of file browser.

Toggle into NIB and simply hit  Ctrl+D

I hope this help you..