Just enjoyed a superb course with Vince Morris this weekend, mostly focused on Kanku/Kushanku applications against empty hand, knife and a couple of different stick attacks. Below are some clips of Kissaki bunkai for Kanku, Nijushiho and Bassai:

http://www.youtube.com/watch?v=-UYvr-PdOyI&feature=related

http://www.youtube.com/watch?v=6ic5Xn9YsiI&feature=related

http://www.youtube.com/watch?v=5KuDNJN74gY&feature=related

http://www.youtube.com/watch?v=4q57uDSkZ4s

Ben