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You've been sentenced to the gas chamber and for your fate to be managed by Sierra. She's dressed in a blue rubber smock and half face respirator before donning elbow length nitrile gloves. She puts on a plastic white apron over the smock in the case you get "messy" while the gas flows, as well as switching to a full face respirator to protect her eyes from the gas. Noticing you have a glove fetish, she she allows you to suck on her fingers one last time. She then puts on long, chemical resistant gloves before administering the gas. She first uses a spray can until your finished, then an alternate version shows her using a black rubber mask to administer the gas.