thats right, you can make some diversify/mixing to it.Lets be honest, both leave a footprint. I'm sure Google can figure out who is blocking bots that claim to be Moz in their .htaccess as well. Which is why honestly if you're building large scale you need to mix up how/which/if you block various bots.
-ThopHayt
i just heard about it, how it works?Use Spider Spanker
if you dont want bots to crawl your site