を皮切りに
wo kawakiri ni
starting with; beginning with
[Starting with / Beginning with]
Connection: Noun + を皮切りに（して）
Usage: Indicates that something started with a particular event and then continued to spread or expand. Often used for events, performances, campaigns, or releases that begin in one place and extend to others.
Examples:
東京公演を皮切りに、全国ツアーが始まった。(Starting with the Tokyo performance, a nationwide tour began.)
この店を皮切りに、全国にチェーン展開した。(Starting with this store, they expanded their chain nationwide.)
新商品の発売を皮切りに、売上が急増した。(Starting with the release of the new product, sales surged.)