by raimundo » 10 Aug 2011 9:28
you will need a bumpkey for every different keyway and soon this will be a heavy keyring.
A snapper made of bike spoke weights a few grams, less than two bump keys and does the same thing in every keyway. but even a snapper requires a minimal skill to use, there are sublties in how to use it,
Wake up and smell the Kafka!!!