Mostly for the men but women are welcome to answer too...
...what's the best method of usage?
Some feel the need to hold & aim while others are of the mindset they're self guiding. Like many, I don't pay much attention to how my fellow males do what they do in the bathroom. Although, I did notice one guy at a standup with his hands in his pockets.
Along with the other question: what technique do you use?