Any idea what this spike is? Found on the bike lane on Bush

The Rise of The North American Protected Bike Lane

It was really scary.' Driver speaks out about hitting cyclist in Ann Arbor bikeway : r/cycling

A remote restraint device used to stop criminals from running : r/BeAmazed

When someone asked my why I was using a shop vac to get some of those elusive helicopter seeds off my lawn as opposed to using my cheap mower : r/lawncare

5 Most Common Flat-Causes – Pure Cycles

200+ Hilarious Spike Puns to Keep You Sharp-Witted

What should I do if someone is watching child porn and showing it to others? : r/ask

Lookout - Montgomery County Department of Transportation

The Future of Cycling in Sacramento

Installing bike and bus lanes requires public debate - The Boston Globe

My Ball Peen set is almost there : r/Tools