28-11-2017, 06:26
(27-11-2017, 05:32)Karren Wrote: I think it all depends on your dome size. -2.5 inches HG over a smaller surface area can exert a higher force than -5 over a larger area. Pressure/square area.
our bodies are all different ,you have a problem with it,
I get red lines from the cups when I pump to hard but they go away after a few hours