Regarding the first question, I always bring everything back out so I can see them. When I first started hobbying, I would leave the clothes in the bathroom. One time while relaxing after the fun, the SP went into the washroom to cleanup. It wasn't until I left the apartment that I noticed things had been moved around in my wallet. Nothing taken but searched just the same.
For the second question I come out wearing the towel. This way I can see the shock in their eyes as things are revealed
. Actually I just like it when they remove the towel. It adds to the excitement and sometimes a surprise depending on how they decide to remove it.
Have fun!!