Koga traditional martial arts and weapons:
Archery Kama Jitsu Nunchaku Jitsu
Spearmanship Sai Jitsu Manriken Kusari
Swordsmanship Manji Jitsu Iaido Jitsu (Kotori, Omari Ryu)
Kusari Gama Jitsu Bo Jitsu Iaijitsu
Shrunken Jitsu Tonfa Jitsu Blow Guns
The IKKU primarily focuses on the following Weapons of Koga-Ryu:
Bo Eaku
Tonfa Yari
Nunchaku Bokken
Sai Katana
Kama