Pumping can be a good way to help with erectile dysfunction although if you suffer from sever E.D you should probably consult your doctor as even a pump may not be able to help.
You might even want to look at your diet as that can play a big part in erection quality.
E.D can also be a sign of low testosterone so exercising and intermittent fasting could help too.
Anyway, how can a pump help?
Pumps like the Bathmate use vacuum pressure to gently draw blood into your penis.
This stimulation can help you to get an erection.