Whats wrong with security devices?

sherwood said:

I`ve been scouring the net and this forum looking at security steps for stopping a Land Rover getting nicked.
Best 2 I have found are:-
1. Steering wheel DISCLOK
2, Pedal locks, various. but total closure seems best deterant? Eg, X-Engineering Pedal Lock

So, my question is, what is wrong with them, or what can be improved? Poor locks? Poor pivot/joint areas? Additions that can make them harder to remove?

Thanks

Tim

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