Extension allows you to easily create and copy git feature name from Jira issue name
To install this extension simply install it from Google Chrome Store: https://chrome.google.com/webstore/detail/convert-jira-issue-to-fea/boaoeacdjbpjkgcigogfjcbplmgjadnl
Open any JIRA issue page, click on extension icon and click on COPY button next to desired feature name. If issue has a parent extension will show 2 items on the popup.