Steve wrote about whipping handlebars, complete with photos and everything, just for me. Thanks, Steve.
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Glad I could help :-)
As I said, it's a bit ghetto, and it's not the "real" way to do whipping (not least because one tends to use twine rather than hookup wire) but it's an easy way to wrap tape on a bar without needing any adhesives at all. It looks really nice when it's done properly, too.