Van Theft Tools

[SLIPSHOD & SLAPDASH]

How about one of these,

https://www.youtube.com/embed/ax3jD7tep-g?feature=oembed

 

[batty]

Such a device DOES exist, the MAGNAVOLT system, but as this is from the States I presume it would come under AISI rather than BS:

https://www.youtube.com/embed/fARuCLhUyi0?feature=oembed

Not so good if you forget to turn it off.