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annoying
I think the Wippermann one provides flush pins but needs more bending than the KMC one you like. They're both shit - either get a spring clip to go with your bushed chain for optimum singlespeed life (which is hardly an option in 3/32" these days, the 7R8 seems to be the only one) or just accept that flush riveted bushingless dérailleur chain with it's symmetric quick links is where the market is these days.
the connex links that come with the 7z1 chain look like this:
(and are annoying)