These are Kodokan Goshin-jutsu teaching films by the late John Cornish (1928 - 2018). John Cornish learnt this exercise, from source (Kenji Tomiki) in Japan. The films do not contain a complete demonstration, nor are they to the current judging standard, but this does not matter one bit.
Toshu-no-bu - against unarmed attack
Buki-no-bu - against armed attack
Toshu-no-bu - against unarmed attack
Buki-no-bu - against armed attack