[UPDATE 6 January 20014: Unrecommended! See video of how Mark cut the cable with a pair of scissors.]
You know that big, heavy, secure lock you never carry because it’s too big and heavy? This is the compromise solution – easy to carry and easy to use. This lightweight cable lock fits in your pocket and prevents “casual theft.” Let them steal someone else’s bike/skis/helmet (not cruel, just realistic). The retractable cable extends 24 inches.
I’ve been using these for about 10 years or so. Squirt a little WD-40 into it once in a while to keep it from freezing in the cold. Replace it at the first sign of balkiness (it’s cheap enough). -- Evan Marks
Master Lock 24-Inch Retractable Cable Lock $9
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects
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