I was given one ages ago - didn't really get on with it. Bit faffy, and you can still end up dripping degreaser all over the place. Quite wasteful too, I reckon. You can be pretty mess-free with judicious use of newspaper, latex gloves, rag (ie. ripped up old t-shirt), can of GT-85, and some spray or dropper lube to finish off with... all without removing the chain, which is one of the main selling points of those contraptions.
I was given one ages ago - didn't really get on with it. Bit faffy, and you can still end up dripping degreaser all over the place. Quite wasteful too, I reckon. You can be pretty mess-free with judicious use of newspaper, latex gloves, rag (ie. ripped up old t-shirt), can of GT-85, and some spray or dropper lube to finish off with... all without removing the chain, which is one of the main selling points of those contraptions.