Off to a slow start

I used to coast through the first half of my classes in high school and then pick up my work in the second half to suggest to my teachers that I had improved, and that their exertions had accomplished something.

To this end, here's a tip.

Bike thieves jiggle locks just in case they were not closed properly (it happens more often than you might expect). Therefore the vigilant cyclist should give their own lock a jiggle, to make sure it is secure.