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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.
Hi, I really liked your solution. Simple and clever. Since I'm a beginner I'd like to ask what do the double exclamation marks (!!) mean. It is the first time I see it and can't find it in any documentation.