Stores in my room on a wall mounted hammock hook. Clips to towel bar when needed. I use this one with a bent gate as it makes for a wider mouth to clamp on in more places.
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And useful if one needs an escape aid say on or above the 2nd floor bathroom. I also use quality climbing carabiners (about $6 per when on sale @ REI). Not that I need the capacity; they simply function much better than low-grade knock-off versions.