Ami Ami no Mi

The Ami Ami no Mi is a Logia type Devil Fruit that allows the user to swallow anything and turn it into a net. Ami means "net". This fruit was eaten by Largo.

Strengths and Weaknesses
The fruit's major strength, as demonstrated by largo, is that the user gains the ability to swallow anything and turn it into net, it includes his saliva, a hammer, hot water, and fire. This makes him the best catcher ever. He can also turn into a net that he swallow

however the user is still affected by the condition of the things he swallow like if he swallow hot water he can be burned. Other than that, the user is also affected by the standard Devil Fruit weaknesses.

Usage
known attacks are:

Mucho Needle Net: Largo eats the metal of a hammer, then fires the metal from his hands in the form of a barbed wire net.