I generally tighten the first st AFTER knitting (or purling) it. Then I work the second st a little tighter and that's it. I always had ladders on DPNs, no matter how tight I knit, but no problem with magic loop.
"Be afraid of bears, of bungee-jumping, of faulty wiring in old houses, but never, ever be afraid of trying something in knitting." Stephanie Pearl-McPhee, Knitting Rules
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