Use the search funchtion!
http://unicyclist.com/forums/showthread.php?t=89964&highlight=high+hop
http://unicyclist.com/forums/showthread.php?t=91242&highlight=high+hop
http://unicyclist.com/forums/showthread.php?t=88565&highlight=SIF+hop
http://unicyclist.com/forums/showthread.php?t=87003&highlight=SIF+hop