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Almost any lock I could think of is better than that. That lock could be cut with garden shears.
For coffee stops I'd suggest locking hub skewers and one strong main lock. A secondary can be used instead IF you can see the bike most of the time.
See the Secondary Locks thread, for a list of suggested locks. I'd say that you could use the Kryptonite Mini Evolution. Or one of the (quite heavy) u-lock shaped disc locks (for motorcycles). The latter could be used for securing the seat stay and wheel to a solid object.
Never had any interest in these so missed the discussion. Is there a better coffee stop touring lock then this?
http://www.bike-discount.de/en/buy/micro-lock-64843#ptb-rating