Originally Posted by
Fiery
Giyo GF-12 pump has a universal Presta/Schrader head that depresses the valve stem automatically for Presta the same way it would for Schrader valves. A bit annoying since it leaks air until you lock the head on, but handy for getting the exact pressure you want and no worries about sticky stems.
I haven't heard of that before, but now, I won't be shocked if I see one in the future.