A security overhaul was ordered a few months ago when protesters lobbed condoms filled with flour at Prime Minister Tony Blair as he spoke in the chamber.
(In one memorable incident, a member pelted Prime Minister Tony Blair with a condom filled with purple flour.)
A potentially poisonous object, such as a condom filled with illegal drugs, has been swallowed.
Gregory and Lock were arrested at Bangkok's Don Muang international airport on February 6 when police said they found a condom filled with 150 grams of heroin.
Medical workers found condoms filled with the drug in their stomachs.
And in Bloemfontein, black students described how white classmates hurled condoms filled with water at them.
Rodriguez also describes that the squibs they used in shootout scenes were simply condoms filled with fake blood fixed over weightlifting belts.
One form of cocaine smuggling is to swallow condoms filled with the stuff.
A man who swallowed 70 condoms filled with heroin died in the custody of the Customs Service, the agency said on Friday.