Horses + Glue factory = Glue...
They make glue out of horses... or they use to at least. 
They do what?
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"Darkness is only the absence of light. Once the light envelope a living, you can see his true self ... Abandon evil and sow the joy around you! Do not condemn the dark ... only shows the right path to hope ..."(Doranos89, 2011-12-03)
They kill your pretty ponies Doranos. You know Dylan's latest avatar, that's what they become.... they make each pony fight for their lives and then the winner is made into glue... the rest is made into horse feed MWAHAHAHAHAHAHAHAHA!