problems with effects

initially, we wanted to have a rain scene. However as we were doing in-depth planning, we realised that this would be extremely hard to do,as we would have to get the band covered in water. this can be a health and safety risk as splashing them with water in the winter could cause them ending up with a terrible flu or something worse.
therefore we are still planning on another way around it. As in the music industry,for rain effects-they spray the band with warm water and have a caravan close by so at the end of each shoot they can dry themselves up and change into a new pair of clothes.
as we are deprived of such materials,the process is much harder.