In my own opinion I feel that little fist is to easy to get for how powerful it is. A nice way I think to adjust this would be to replace little fist with gauntlets or brass knuckles. They could be a tier 3 or 4 weapon made out of rust, lint, and pupa leather or something like that. Also could make it apply to both hands for the highest attack speed but also not wielding a shield so parring with this weapon would be vital.