In reply to goose299:
I've used duct tape and spinnaker tape, I found spinnaker tape worked best when you heat the back of a teaspoon with a lighter and then 'iron' the tape on with a bit of greaseproof paper on top of it. Just be careful not to heat the spoon too much and melt the tape. I guess you could also use an iron.
Much much better but harder to get hold of, is Betrafol tape from Germany. Its far better than the above two options, something to do with the glue they use. Unfortunately they will only ship bulk to the UK so you have to buy 25 rolls. I did find it very easy to sell the excess 24 to friends / on ukc etc though.