| Interesting question; I've never seen it asked.
It seemed to me that the length of the pencil should be as long as you can tolerate as the longer it is the more it will work your muscles around your embouchre.
So I used a brand new, unsharpend #2 pencil right out of the package and have been using it solely for that purpose.
My .02
John
__________________ Eclipse MHY Bb Trumpet with interchangable leadpipes
Bach 229 25A C Trumpet
Getzen Capri Bb Cornet
GR & Monette mouthpieces |