I searched the forum and it seems that the flywheel may be the culprit, but wanted to post this video to get feedback. The car makes this rattling/knocking sound when warm and only if the clutch is not pressed in.
Any insight would be greatly appreciated.
https://drive.google.com/folderview?id=0B931HkiUarNMfjE1TzBIb09kU1J1aGpRZkp GQWdkWGtHQW9tcnE5MHB1NktZSjVORElHMlU&usp=sharing