Reduce Activation Cost of Magic Items

[toastedamphibian]

Any way to reduce the action cost to activate a particular magic item? Specifically a weapon, but other items are interesting as well.

The only way I know of is to make the item Intelligent, then it can use it's own actions. Leadership can guarantee an intelligent item and allows you to upgrade it as if you had the relevant feat. Any other good ways to make an item Intelligent?

EDIT: Steelbound Fighter 5 (1 weapon)
Impart Mind (6th level spell, hour per level, 1000gp material comp.)

[Dark Midian]

Erm, is there something in particular you're looking for? Reduce the action cost of what item?

[toastedamphibian]

Does it need to be a particular item? I doubt there are feats that apply only to "Mistmail" or "Constrictor's Gauntlets".