best bike lock

[subaqua]

http://www.bbc.co.uk/news/uk-england-birmingham-33222456

I want this one if it took a heavy duty circular saw to remove !!!!

 

[sight-pin]

Already been posted one in thread below
https://www.cyclechat.net/threads/all-locked-up.182351/

 

[Milkfloat]

This thread should be 'locked'.