Those things are dotted all over camden…slightly smaller size…one trapped my mate car inside the garage when it failed…they just could do anything about it and the local council had to literally dig it up !!!..(Plender Street NCP)
Every bikers should have one outside their garage door blocking it shut and the bike bolt to the floor with an Almax on the inside, you would wake up every day knowing your baby was still there 
Now thats impressive.
Fook me thats impressive!
Crikey.
That’s the same stuff they make aircraft’s black boxes from I think. 
that was impressive!!!
I’d like to install one of those at either end of my street at night 
10/10…
feckin great that!!!
smiled.
That… is very, very disturbing. I’m glad I don’t drive a truck into bollards for a living