What if it were acceptable to do yonkata#1 and #2 releasing in a wide circle around uke in a type of tenshin motion? What if we didn't have to clash together in order to get a powerful otoshi that looks like kata?
We used to have big problems with hanasu#1 because we couldn't tell whether uke was going to stiff arm or pull into an otoshi like in yonkata#3. Then I began comparing the feeling of hanasu#1 and hanasu#3. This problem almost never occurs on hanasu#3, but rather a different one. Hanasu #1 feels like tori is in a good place to exert against uke. Hanasu#3 on the other hand, feels like a release. Tori isn't as tempted to exert on #3 as #1. For years I thought it was because something was wrong with my execution of #3. I couldn't get into a strong position in that move - at least not as strong as in #1. Then I realized - what if #3 is how a release is supposed to feel? My students and I retooled our ideas about hanasu#1 and gained significant flow and release at the expense of being able to feel strong.
So, what if yonkata#1 and #2 don't have to exhibit that inward clash and driving otoshi? What if these could feel like releases - just like hanasu#1 and #3?
Check this link for Aiki Development's interesting ideas about these releases. Not exactly what i' talking about, but sorta close.