Where on the 2022 boot heel do I measure front boot to tail distance from? Site mentions bottom of boot I believe? Boot heel is angled. Tape measures have a lip that varies in size depending on width of tape measure affecting the measurements if this is the actual location. Also with the 22 boot how much variance is there compared to older Vapor boot set ups. Sorry, if I sound like an Engineer! At present I am using the heel ledge. Thanks!