This is a commentary movie of MS3.2 Whale AT bumper.
It is quite difficult to make, but it has the effect.
Pivot, 0 thrust, Hikuo interlocking thrust, soft mechanism.
It is a "strong" mechanism that combines everything.
【ミニ四駆】MS3.2 ATバンパー(19mmローラー)解説動画
https://www.youtube.com/watch?v=AM4aArM71PI