By introducing various modifications such as Shamen-uchiokoshi (anchoring in a slanting position) into Chikurin school, which is Shomen-uchiokoshi (anchoring in front facing posture), Toshizane improved the shooting method and brought about a major impact to modern archery.
利実は、斜面打起しであった竹林派に正面打起しを導入するなど射法に改良を加え、現代の射法に強い影響を与えた。