Latest revision as of 13:18, October 28, 2013
Please note that this is the Narutopedia's article on the Hōzuki clan's hiden technique. If you are looking for the article on the collaboration technique then you should head to Water Release: Water Gun.
mimics a firegun with his hand and, through the Hydrification Technique, compresses an amount of water in their index finger, firing a drop with tremendous force and speed similar to a shot, enough to easily pierce through a sand clone.
Although never directly observed using the technique, both Suigetsu and Mangetsu Hōzuki have been depicted performing a similar hand gesture to the one which the Mizukage used.  
Naruto chapter 556, page 11
Naruto chapter 347, pages 4-5
Naruto chapter 523, page 14 ↑
Naruto: Shippūden episode 115