Other length gain options

I was curious if jelqing was THE best method for length gains or if hanging and stretchers/tuggers would be a better option, or as a supplement to jelqing etc. I would appreciate any input from more experienced members.

Once conditioned, try pumping for length.

Does this work similar to the concept of clamping, allowing for stretching of tissues to accept more blood flow permanently over time? I had read about the bathmate and have been thinking of getting one but haven’t been ready just yet to bite the bullet on that.