*Why "D4"?  I frequently get questioned,  and will get jumbled with A5 (that is a climbing quality), and D5 (which stood for "Deuce5"), two brands I are actually associated with prior to now.  My nickname in Yosemite was "Deucey", coined by Grant Hiskes  who mangled my Friesland ancestral title "Middendorf" to "Dusseldorf",  and Deuce4 is my c