Ann Summers party or not, the idea of marketing cock-rings for girls (surely the next step) is so wacky.
That's some reach and projection
Why automatically "go" there?
I mean, there's loads of stuff at Ann Summers party could all enjoy without cock rings 
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lingerie
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flavoured lube
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vibrators
plus loads of other stuff can't think off the top of my head as it's late/early depending what way you look at it 