In the past there were funny games like haragei, (painting a face on your stomach and moving it to resemble different facial expressions), or "dojyou-sukui" (dancing to folk music like a small eel), which required some skill.〔【出典】『これが分かれば日本通』(田仲邦子著)◆【出版社】株式会社ヤック企画 〕"YA03-028", "2366922"