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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
I literally did the same, just because I could. But this is bad. First it's goes N 3 times also sort! and ther are rumors for messing with prototype is no good.