7 - Upgrades. Separate from his attacking abilities and weapons, Booker has four clothing slots where you can assign special clothing items that will enhance specific abilities even further. Customizing his Boots, Hats, Shirts and Pants can give him the ability to move faster, detonate possessed humans or fight certain enemies better when you have the right item equipped. Of course you'll have to make decisions because you can't wear, say, the speed boots and the explode-possessed-humans boots (this is true too) at the same time. Choosing your four upgrade items from you inventory (Ding ding ding!) will make you more dangerous in certain situations.