Ori Ori no Mi

The Ori Ori no Mi or Cage Cage Fruit allows the user to place iron shackles on his or her foes, by having their limbs pass through the users body parts which creates the shackle, it also leaves the victim in shock.

Strengths and Weaknesses
Binds the attacker in shackles and apparently leaves them mentally subdued as well.

The one they want to shackle has to go through their body, so once an opponent realizes this they can safely attack from a distance.