Complex sentence: The Bujinkan teaches that Togakure-ryū contains some "historical" kata "," which are similar to the training in judo and aikido in that they require an attacker to attack to initiate the movements.
Split into simpler sentences: The Bujinkan teaches that Togakure-ryū contains some "historical" kata "". These kata are similar to the training in judo and aikido in that they require an attacker to attack to initiate the movements.