User-agent: SapphireWebCrawler
Disallow: /

User-agent: plukkie
Disallow: /

User-agent: twiceler
Disallow: /

User-agent: LexxeBot
Disallow: /

User-agent: Mp3Bot
Disallow: /

User-agent: spbot
Disallow: /

User-agent: Purebot
Disallow: /