Following the meandering and subject avoidance shown by the Prime Minister recently, the party executive has fitted him with rumble strips
The slightest deviation from the party line will cause his speech to judder, thus forcing him to put his brain back in gear and drone on in an approved way
An earlier attempt to fit him with an audible warning system such as those in cockpits failed recently in Rochdale. Despite the warning "Voter, voter, pull out pull out" he still engaged Mrs Duffy with dire consequences
If Mr Brown doesnt stay on as PM he will also be fitted with rear view mirrors so he can see who is sneaking up behind him with a knife