Sole Crafter
The Sole Crafter can create marvelous attachments for any pair of boots, which provide enhanced mobility and a variety of bonus actions.
Exotic Weapon Master
This feat works together with the homebrewed exotic weapon rules in order to allow for a more specialized weapon at the expense of a feat.
Platesmith
The Platesmith can create incredible plates that can be affixed to any metal weapons or armor to provide enhanced effects.