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I have a few suggestions.
On Ferrothorn make sure you're running 0 Speed IVs. Obviously this will increase gyro balls damage. I also highly recommend running spikes opposed to stealth rock. Hippowdon already has stealth rock and being able to use spikes further makes the entry hazards a...
I agree I;m not sure Klinklang is functional in OU.
I also second that I would swap Talonflame's Steel Wing for Roost. I've used talonflame tons and I highly recommend it, being able to roost when you anticipate a substitute or when you think you will take little damage is worth the loss of...