I spend a lot of time getting around my home city of Frankfurt am Main by bicycle. This also means I spend a lot of time locking and unlocking my two-wheeled means of transport. And every time I turn the key and look at the row of secured bikes next to me, I feel a breeze of resentment that human beings are so incapable of trust and basic honesty that I need to clamp a $70 chain through the frame to stop the next passer-by from running off with what’s not theirs.

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