I was fine with SRAM master links with my bare fingers but KMC links - couldn't for the life of me get them apart. Until I got the Park tool. That said, would never take that tool on the road. I now intend to stick some wire in with my on the road emergency kit. (Already have a small multitool with a little pliers on it)
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Bacchetta Giro A20, RANS V-Rex, RANS Screamer