[kidwoo]

On Presta valves, I put my mouth over the valve and depress the core with my tongue. If the air whistles out the fractured orbit in my right eye at anything lower than F#, I add air.

Thinking about that just gave me an ice cream headache.

 

[jstuhlman]

Thinking about that just gave me an ice cream headache.

 

[Happymtb.fr]

There's a few floor pumps that come with 50-60psi gauges for this reason now; Blackburn, Lyzene and Specialized all come to mind.

Joe blow mountain from Topeak too

 

[boogenman]

I give'em a good ol squeeze with my titty testers.