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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.
well using default would assume we 'll only get braces, I think the best practice is to not trust anyone and here reserve default to log an error to all the fuckers who'll use wrongly this function XD