diff --git a/grattoir/__init__.py b/grattoir/__init__.py
index 5b09e9f..3e3e35b 100644
--- a/grattoir/__init__.py
+++ b/grattoir/__init__.py
@@ -26,12 +26,15 @@ class Grattoir(object):
         self._driver = None
         p_path = tor_profile()
         profile = firefox.firefox_profile.FirefoxProfile(profile_directory=p_path)
+        profile.set_preference("devtools.toolbox.selectedTool", "netmonitor")
+        profile.set_preference("devtools.netmonitor.persistlog", True)
         b_path = tor_browser_binary_path()
         binary = firefox.firefox_binary.FirefoxBinary(firefox_path=b_path)
         o = firefox.options.Options()
         o.profile = profile
         o.binary = binary
         self._driver = firefox.webdriver.WebDriver(options=o)
+        self._driver.install_addon("assets/har_export_trigger-0.6.2resigned1.xpi")
         return self._driver
 
     def __exit__(self, exc_type, exc_value, exc_tb):
diff --git a/grattoir/assets/har_export_trigger-0.6.2resigned1.xpi b/grattoir/assets/har_export_trigger-0.6.2resigned1.xpi
new file mode 100644
index 0000000..b6f77a1
Binary files /dev/null and b/grattoir/assets/har_export_trigger-0.6.2resigned1.xpi differ