Check after the break for how these two companies ... The latest Adafruit test jig needs to have an extended test, so instead of mashing a finger against the test board for an extended period ...

The Stencil Printer is a flexible, adjustable alignment jig that reduces the amount of tedious adjustment needed to get things just so. The jig is built mostly from aluminum extrusions and 3D ...

And one such instructor, GOLF Teacher to Watch Addison Craig, gave me some great advice on how to check the fundamentals of aim and alignment while out on the course. Check it out in the video below.