Seen in Easyriders Magazine number 116 from February 1983. Photo by Frank.
I had a simular brake system on my Harley and in 1982 it failed working when we were on holliday in Sweden with thre three of us. I nearly run into a huge truck [road-train]. Anyway, my boots somehow appeared to be my back-up system and used as a secondary brak-system. Well, now I had no rear break and worn off leather boots as well. F***
And yes, the damn nipple failed on me as well, so this tip should have been usefull a year earlier. But in 1983 I already had a Brembo brake-system installed on my rear-wheel.