Eku (エク) is a traditional Okinawan oar. It was originally used during fights between fishermen and then included in Okinawa Kobudo.
This is a red oak oar with a curve to one side of the paddle and a roof-like ridge along the other.
The Eku is a super powerful weapon.
Eku technics are similar to Bo Technics with the difficulty of a non symmetrical weapon.
Eku is said as the favorite weapon of Shinpo Matayoshi :
Chikin Hakachu no ekudi
Eku kata performed by Shinpo Matayoshi :