Over in the Scarpa liners vs Intuition thread VA posted a link to a video produced by Scarpa which shows how to heat mold liners. In it they use a "fit stick" in an attempt to avoid the vagueness of the "finger" method of shell sizing...
Click for Video
So, do you boot guys use something like a "fit stick" when you do shell sizing?
If so, what are the max/min dimensions of the stick you use?