Junzen Shotokan karate

Gyaku-zuki, switch oi-zuki

Objective: Double attack drill - After clashing when attacking with gyaku-zuki, switch legs and follow immediately with oi-zuki.

Attack with gyaku-zuki, step front leg back to switch legs and immediately step in again with oi-zuki.

Gyaku-zuki, turn switch legs gyaku-zuki

Objective: Double gyaku-zuki attack with opposite sides whilst turning

Shuffle in for a gyaku-zuki attack.  The opponent turns to avoid 90​0​ by stepping back the front leg so opposite side is forward.  Switch legs as you turn 90​0​ to attack with gyaku-zuki on the opposite side.  After the first gyaku-zuki, raise the same arm up to guard prior to the 2nd gyaku-zuki.