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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.
not an issue, a question. You need to learn the difference between those two versions. The second one is modifying the input (which is especially bad habits you should lose as soon as possible)