Just like the title says. When crouching, you gain the smoke effect that the ebony mail has - in addition to Namira's normal effects.<br /><br />(doesn't do poison damage, it's just a visual thing because the poison damage can interfere with sneaking)

WARNING; currently makes the smoke effect appear when in combat, not just sneaking, working on a fix.

FIXED this issue, the newer file is only for crouching, if you stand up you lose the effect even in combat.