Etiquette, the bow, and the horse
Ogasawara-ryū (小笠原流) is a Japanese tradition of etiquette (reihō), archery (kyūjutsu) and horsemanship (bajutsu) handed down within the Ogasawara family. It is most widely known for its ceremonial archery and for yabusame, the practice of shooting a series of targets from the back of a galloping horse. In the tradition's own account it descends from Ogasawara Nagakiyo, a warrior of the Kamakura period, though the earliest generations are recorded chiefly through the family's transmitted history rather than through independent documents.
A school of courtly and martial form
What sets Ogasawara-ryū apart from the more purely military archery lines is the breadth of its subject. It treats manners, ceremony, the correct handling of the bow and mounted archery as parts of a single discipline of correct conduct for the warrior. Across the medieval and early modern centuries the family served successive military governments as authorities on etiquette and ceremonial archery, and Ogasawara teachings on reihō came to influence Japanese ideas of formal manners far beyond the archery range.
Treating courtesy, the bow and the horse as one discipline rather than three.
Yabusame and the ceremonial bow
Yabusame, the galloping mounted archery preserved by the school, is today performed at shrines and festivals as a solemn ritual offering rather than a military exercise. The Ogasawara line, alongside the related Takeda tradition, is one of the principal keepers of this spectacle. The ceremonial standing archery of the school is likewise performed on formal occasions, where precision of movement and correctness of etiquette matter as much as striking the target.
Continuity of the family line
The Ogasawara tradition is unusual among Japanese martial lineages in the length and visibility of its continuous family transmission, with successive heads of the Ogasawara house carrying the reihō, archery and horsemanship into the present. That continuity is one reason the school's later history is comparatively well recorded, even where its twelfth and thirteenth-century beginnings remain a matter of tradition.
How much is certain
Ryūpedia treats the medieval attribution to Ogasawara Nagakiyo as the family's own tradition rather than independently established biography, while treating the school's long documented role as an authority on etiquette and ceremonial archery, and its present-day custody of yabusame, as history.