You've got jelqs for basic loosening of the tunica and fibers, btc is one of Dlds top 2 most effective stretches, and rotary/cranks are the other.
Now, making sure, there's a difference between helis and rotaries.
Helis are just swinging your penis around by its own weight. If you've got a ���� sized penis that might be a good warmup loosening move.
Rotaries are a stretch where you're pulling away from body with hand grip but cranking in a big circle as you do. Rotaries are effective.
Ball stretch if you have shrinking sack issues and want it to hang lower then yes.
My routine for length is in my links below. Don't need the tools just look at the basic stretches... its packed with stretches in every direction, extra focus on btc and rotaries, uses the blasters principle, and its easy to add more time to each stretch as you gain experience and your penis gets used to the torture we Penis Enlargement guys put them thru.
My routine is a tad more advanced
SRT routine for stepping up after the
newbie routine Zamb points you too. That's called "Dlds first routine".
You can also start with the basic stretches of Dlds
SRT routine. That's the top routine and set of Penis Enlargement principles here we are blessed with Dlds pulling together 10 years of
Mos research, feedback, experience and results.
All of these advise doing length session and a seperate girth session at a different time of day.
So maybe do your stretch length stuff at one time, and jelq in a girth session another time of day?
. I would tell you some other exercises, but for a newbie that should be enough 
