angle to reach these screws is awkward, so the little bendy attachment on my driver kit came in hand (you can see it in the background).
all the detail parts (buttons, rollers, knobs, bumpers, lens trim) will be glued in place, so this step was just a matter of placing them to make sure they fit.
to hold the strap in place, i bent the aluminum rod with two pairs of pliers to make a rectangle as shown. this stuff bends really easily with a pair of pliers, but if you try to straighten it again it tends to snap off. this took a few tries to get it right.
with a successful 