Will,
I've got a Mora Clipper in 12c27 Sandvik myself. It happens to be the first fixed blade that I've ever bought, and I definately made the right choice. Technically, it's a Scandi grind which correct me if I'm wrong, but it doesn't have a secondary bevel.
My preferred way of sharpening it is this, which gives it a slight convex grind and works extremely well for me:
1) Take a mousepad and rip the thin backing off of it
2) Take some wet/dry sandpaper, and cut it to fit the mousepad. I use 220 grit and a 340. You'll also need a leather belt and some buffing compound for stropping. Or a piece of cardboard.
3) Tack the sandpaper to your mousepad, and lay the knife onto it, bevel down. Then drag it away from you, as many times as it takes before you feel a wire edge. Repeat on the other side until you feel the wire edge on the other side.
4) Then you can move onto the fine grit sandpaper and repeat the process. It's a good time to listen to some music or make fun of Ray Mears.
5) Take your leather belt or strop or cardboard or whatever you have and rub some buffing compound onto it. Not too much, just a little bit. Now strop your blade. You'll know the stropping's working when the buffing compound starts to turn black. This removes the wire edge and polishes the bevel.
6) Rinse the blade off and then go have a shave. Welcome to "Scary Sharp!"
Adam