In yesterday’s Sun column Guido revealed that police guarding the checkpoints at entrances to Parliament have confiscated 641 knives from visitors in the first two months of this year, an average of more than ten a day. Lock knives, flick knives and Swiss army knives were among those found, so much for Dave’s promise to lock up anyone carrying a blade. Some of the more crazy and kinky items confiscated include bungee jumping equipment, stilts, footballs, a hockey stick, and fluffy handcuffs. The 43 people who tried to take whisky, vodka and wine in should have saved their money and taken advantage of Parliament’s subsidised booze instead…