Forget the wrap, go with the sleeves and you will never look back!
To answer you about fatigue question with the
LM: Its difficult for me to guide members with hands stretching, and the
lengthmaster, because the force is dependent on the person doing the pulling ... hard to me, may be soft for you, and vice versa!
With
weights its black and white ... 5lbs is 5lbs period.
So, all I can suggest is when you stretch with the
LM, you do it with force, not so hard that you want to tear it off, but a good amount of force is needed otherwise the penis has no reason to adapt to the stress, this is not the same as long marathon sessions using the extenders [which are great] using lower force, to make cell growth possible, and increase size.
With all the stretching, and
hanging we are hitting external tissue with the tunicae that covers the entire penis like a uniform, and is very strong, to the ligaments that anchor it at the suspensory, to some that do inner penis work targeting the ligaments which connect into the root.
A ligament even exists connecting the glans to the shaft, so that also stretches but nothing like the suspensory ligament can.
Also when you do stretching, please try to perform reverse kegels on and off.
You wont do them the whole time of course not, but every so often they help to force the ligaments into a more relaxed state in the suspensory area, this is still not entirely explainable how it is done because the pelvic floor region doesn't actually have a muscle that reverses, like with a kegel you contract, but the reverse kegel you go opposite, but it is not an opposite muscle as such, its more a relaxation to the area so the ligaments can be hit harder, before they would be shielded somewhat by the action of the re-flexing by the pelvic muscles, as when you kegel.
You want to try aiming for a slight burn sensation in the base area, this is telling you 100% the ligament is being stretched and fatigued to a high degree.
I always had this when I hammered it with lots of effort, and the reverse kegel helps to bring it about faster.