Unintelligent undead and magical item use

[Rocky Williams 530]

Howdy. I was wondering, is there a rule about unintelligent undead using magical items? Now, common sense tells me things that need command words or actions to use are out, but the item in question, HORSESHOES OF SPEED, do not require anything more than being affixed to the hooves. Now, it does say affixed to the animals hooves. The argument could be made that being undead, it's no longer an animal. Other than that however, is there anything saying a skeletal horse wouldn't benefit from having these things slapped on it's hooves?

[Strannik]

I have seen unintelligent undead that happened to be carrying around magical weapons or armor (+1, etc), so I see no reason any other constant effect magical item would not work on them (other than ones that increase Con, of course). If there's any rule against it, I'm unaware of it anyway.