Non - traditional Aikido techniques:

Called non traditional although I recognize several techniques, how many do you recognize:

https://www.youtube.com/watch?v=coH49O0DZPU

Tap twice ...

I like the pony tail.
dps

Some fun stuff.

In terms of being non-traditional, well, some of the standing crossed arms chokes were back in Budo Renshu. There are a few movements that look like Daito Ryu, and one or two that bear resemblance to Tomiki Aikido. I did have one teacher who showed many similar ideas in his seminars.

OTOH, so much is maybe not clearly part of the basic syllabus now that in looking at older (often defined as traditional) forms, they might now look untraditional.

1. I just learned that one at Birankai Summer Camp (North America) a couple weeks ago.
6. The "not so nice" version of Kokyuho, as Yamada-shihan (USAF) explains it. Also popular amongst Birankai, and there's videos of M. Saito-shihan demonstrating it. For training purposes, the instructor usually gives strong warnings about going slowly and not fully wrapping the arm around uke's neck during the takedown (or perhaps instructing to stop just before the takedown).
8. Pretty sure I've seen this one in some old footage of Chiba-shihan (Birankai)
10.-14. Maybe not these exact ones, but I've seen Aikido videos featuring thumb and finger manipulations before. (Yoshinkan maybe??)
15.-23. are fairly common to USAF and/or Birankai