tire chain alternative

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CX-5, fwd auto
Hi, looking for a tire chain alternative where I need to carry a tire chain on mountain pass. Has anyone found good alternative or used autonomy?
Thnaks
 
Hi
I meant autosocks as it looks like legal in Washington state. Any one used good alternatives?
 
I've never tried them but I don't think they work in wet or refrozen snow. They are best in cold snow before the ice crystals become rounded.
 
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