On hardwood vs softwood...keep in mind that some hardwoods are soft and some softwoods are hard. :D :D :D Spruce/fir, etc., can be pretty darn "hard"...
There are indeed some very interesting wireless phones out there with unique capabilities that solve problems for folks. They may not be mainstream,...
Richard, I believe something like the Crazy Horse "could" be helpful for that if the surface you have available to roll into the shop can accommodate...