Drug takers who do manage to snort the coke, will end up with a 'disgusting' taste that lasts for hours.Currently, the spray is being trialled in 24 pubs around Darlington, north east England.However, some experts have questioned whether it's a waste of time - saying that people can snort coke straight off keys, the corner of their bank card or their phone as the surface.Guy Jones, a senior scientist at drug testing organisation The Loop, asked: "Does anyone really snort off a cistern when they could just use a smartphone?"He went on to tell Vice: "Keys are so widely known as a cocaine dosing tool that they have become a slang unit of measure."Short of following people into the cubicle, I don't see what pub landlords can be expected to do.
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