The following documents catalog and examine various ways of playing on the rim.
Chieftains/Ceoltoiri Chualann Rim Report
Chieftains/CC Rim Playlist and FB Conversation
Johnny McDonagh, Jim Sutherland, and Rolf Wagels Triple Time Rim stuff
The Rim Style of Johnny McDonagh
Johnny McDonagh Rim Playlist (click to enlarge):
Other Rim Playing that Adds to the Discourse
Other Rim Playing playlist and FB Discussion