Penis darker when using compression ring

[bobsk8]

I have noticed that after I pump and place compression on ring to masturbate, my penis is darker than normal. I don't leave ring on more than about 20 minutes. Take ring off, and color turns to normal.. Is this OK?

[Alan810]

Bobsk8, I have been using a VED with rings for probably around 5 years - maybe even longer. I also notice that my penis is darker - maybe purple-ish in color most all the time. I'm not a doctor, but logic tells me that it is due to the blood being trapped in the shaft by the rings acting as a dam. I do watch the clock and usually remove the rings within about 25 minutes - sometime sooner. Hope this helps....