Compression Hanger

Hi everyone,
I’ve been using an ADS on and off for the last couple years and have just started hanging and have a couple of questions..

Is it a problem to have a compression hanger that grabs the penis all the way around like a pipe clip, is there an issue with blood flow?

Is it better to compress with something like a Length master and have it compress on the sides only?

Cheers

Yes it is better to have a compression hanger that grips only on the sides, this is to prevent complete loss of blood flow. What device do you use to hang?

I just use a cheap Chinese vacuum ADS thing. Seems to work pretty well. First time I added a cable clamp on the shaft and did 20min sets. But I hear people say long sets are a good thing as long as blood flow is maintained so I did second session without the clamp and hanged 2.5 pounds for 2 1hour sessions. Dick was fine after.