This lock's 18mm alloy-steel shackle is as strong as the bars in the prison for which it's named. It offered plenty of room to secure our wheel and frame to a railing, and its hexagonal shape prevented our bolt cutters from getting a firm grip. The lock submitted to our hacksaw in 3:32 and our grinder in 1:18, but still proved to be a tough, portable option. A close second. [$90; blackburndesign.com]
Credit: Photograph by Plamen Petkov
Powered By ZergNet
Jimmy Fallon's Rules for Success
Work Your Ass Off, Make It Look Easy
Plus: The Wolf of Weed Street
ON NEWSSTANDS NOW
Is Monogamy Insane?
Life Advice from Jeff Daniels
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.