Two of his sons had lines of Shinkage - ryu , one just called Shinkage - ryu ( I think ? ) and the other Kamiizumi - ryu .
Kamiizumi studied Aisu Kage - ryu and later changed it to Shinkage - ryu .
Two of Shinkage - ryu 's sons had lines of Shinkage - ryu , one just called Shinkage - ryu ( I think ? ) and the other Kamiizumi - ryu .
Kamiizumi studied Aisu Kage - ryu and later changed it to Shinkage - ryu .