Tag Team Trimming

What do you do when a horse in need of serious hoof rehab doesn't cooperate with said serious hoof rehab?  Unfortunately, somtimes, you resort to drugs.  (For the horse, not the rehabbers.)
You may remember Nate, who arrived last June, seriously underweight, suffering EPM and dealing with several very serious foot issues, including advanced infection and a maggot infestation.  Nate's EPM has been treated, but he still shows a weakness and some muscle atrophy on one side.  He's gained weight and of course the maggot issue is not an issue at this