Is it permitted to carry pepper spray for self-protection on Shabbos or Yom Tov mitzad muktzah?
Is there any issue with using aerosols on Shabbos? discusses a machlokes of using sprays on Shabbos, however, according to the stringent opinions, would pepper spray be muktzah being that it's carried around for self defense?
I don't think this is a clear cut case of pikuach nefesh, as there's not necessarily any tangible threat, it's just a precaution.