Picture nr 1: Strap below the knee
Pros: Discreet, doesn’t interrupt mobility, you can do almost anything with it even physical jobs, easy to adjust tension. This is my personal favorite method of using the strap. Here is a video to show you how I wear it (search for the video titled how to use the mantor Tugging strap).
Cons: None that I can think of.
When to wear it: Any time is good. This leads to…