Locked out

Just as I cum out of the shower, there's a knock at the door. Dressed only in a towel, I open it. It's my neighbour who has locked himself out and asks me to call the locksmith. Of course I invite him in and let him make the call. When he hangs up, he tells me that it should take about an hour for the locksmith to arrive. Of course, I immediately have an idea of how we can sweeten the wait. I stand in front of him and drop my towel...