Here's a video from farrier Jorgen Briers from Belgium which is worth watching. It's already had 3 million views on Youtube which I think is pretty impressive. Using an angle grinder for hoof trimming can leave a reasonably tidy job!
Swedish Sole Hoof Knife – video
Here's a video just uploaded by AFJ about the Swedish Sole Hoof Knife I've seen vets with them but never used one myself!
Farrier Blog 