I have the Stew-Mac video called Shop Talk 6 and Dan Macrostie (sp/real name?) binds the peghead and fretboard of a mandolin. I think the video is like $10. Anywho, what he does is lays the 2 pieces to be joined so that they overlap where the joint needs to be laying against where they need to eventually go (peghead, etc). He has a jig made, but you could prolley just tape the pieces in place temporarily. He then makes a mark on the bottom piece where the outside and inside edge of where the joint needs to be and connects the lines. He then reverses the 2 pieces of binding so that the bottom piece becomes the top piece in the overlapping. The marking process is repeated and the pieces are cut by slowly nipping away at the strip with a chisel. If you try to chop off too much at once you'll prolley run into problems.
The video is sweet and cheap, I would recommend getting it. Any problems with understanding me, shout me a PM.