User-agent: *
Crawl-delay: 15

User-agent: Twiceler
Disallow: /

User-agent: GingerCrawler
Disallow: /

User-agent: Yandex
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: robotgenius
Disallow: /

User-agent: dotbot
Disallow: /