Mr. Frigo:
http://www.youtube.com/watch?v=y24he-VnRds
https://www.youtube.com/watch?v=CDZHHeDYJOc
https://www.youtube.com/watch?v=ERqx2hje61s
https://www.youtube.com/watch?v=x3L26U0CtUU
https://www.youtube.com/watch?v=1Wt7Xf3mHUc
Mr. Clark:
https://www.youtube.com/watch?v=vNNJdeRsQkk
https://www.youtube.com/watch?v=W4agTIvMa54
https://www.youtube.com/watch?v=cnjyNE5CY6U
https://www.youtube.com/watch?v=v3JWxB3KW5M
http://www.youtube.com/watch?v=y24he-VnRds
https://www.youtube.com/watch?v=CDZHHeDYJOc
https://www.youtube.com/watch?v=ERqx2hje61s
https://www.youtube.com/watch?v=x3L26U0CtUU
https://www.youtube.com/watch?v=1Wt7Xf3mHUc
Mr. Clark:
https://www.youtube.com/watch?v=vNNJdeRsQkk
https://www.youtube.com/watch?v=W4agTIvMa54
https://www.youtube.com/watch?v=cnjyNE5CY6U
https://www.youtube.com/watch?v=v3JWxB3KW5M