Somewhere on this site I read about a stamina training device which the reviewer said was the absolute best he had ever tried. He said it was very, very, close to 'the real thing'.
He said it came in a wooden box which looked up-market enough to have sitting around certain parts of the house.
The device had a 'Japanese-sounding' brand name.
I do have another stamina training device but find it too tight for me, and hope the one I'm looking for will be good for me.
Can someone help me with this request?