The sharing script in these themes is an opensource project written by Carrot Creative. The following post outlines modifications to add Pinterest and other networks to the script.
https://github.com/carrot/share-button/pull/53
Note that our version of the script has been changed somewhat to comply with the theme, therefore you must have a working knowledge of Javascript to understand how to apply these modifications to the theme’s share.js, located in the scripts folder. If you need assistance with the modification, please contact one of our Approved Modifiers, or ask for help on the script’s support page.
This is considered a modification, so do it at your own risk! Make a backup of your existing file so you can replace it if something goes wrong and you need to start over. Modified files WILL probably be replaced by a theme update at some point so keep note of your changes for future reference or see our guides below. Please note that we cannot assist you with modifying your theme or support problems you encounter as a result!
If you are modifying a theme as part of a client project, the following are really important!