Sign for the bathroom with magnetic index finger. Ideal to see if the bathroom is free, busy and the indicator of odors. OCCUPIED - Do not disturb, person meditading. NOT RECOMMENDED - Your health is at risk. CAUTION - Toxic substances. VACANT - Come on in and make youself at home. DO YOU DARE? I will not be heald responsible. YOU´LL REGRET IT - I recommend that you go to another bathroom.