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I’ve yet to find anything that works as well as a ct-5 Mini Chain Brute.
I even prefer my ct-5 over the ct-7 in the workshop at work as the 5 pushes the pin all the way out.
Also never found a chain tool that was built into a multi tool that wasn’t utterly awful to use. I’d rather just take the slight weight/bulk penalty and carry the ct-5 and an allen key set.
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Fair enough: considering the amount of chains you wrangle, I'll happily take your word for it.
I use a Bikehand YC-324SC, which I cannot recommend enough.
As far as multi-tools go, I sold mine: considering the compromises you and UG referred to and having assessed my needs, I normally just carry a dog-leg 4 and 5mm Allen key (together with a tube and inflator).
IMHO Park are the BLB of tools: frequently just rebranded, often shit and always overpriced (with a few niche exceptions, such as their brake mount facing tool).
I did spend some time looking into them for a pal and he's been happy with whatever it was. I think it was a Topeak and have asked him to let me know (I do remember that it had a nifty tool to hold your chain together while you sort the quicklink out and came in a pouch).