彼は叔父の手蔓で大手企業に就職した。
He got a job at a major company through his uncle's connections.
出版社に手蔓を求めて知人を訪ね歩いた。
He went around visiting acquaintances, looking for a contact at a publisher.
政界に手蔓のある人物を紹介してもらった。
I was introduced to someone with connections in the political world.