researches about interaction between two yoyos.Filmed and edited by Hirohito TakimotoHirohito Takimototwitter @tetranyankoYoutube : https://www.youtube.com/c...
0:05 ① https://www.nicovideo.jp/watch/sm3725410828:57 ② https://www.nicovideo.jp/watch/sm3730992247:44 ③ https://www.nicovideo.jp/watch/sm37439800【コウ...