I think I'll jump ahead in the instructions and attach the raceways before the fins instead of afterward.

Now for some technique: to scrape a concave detail into the mounting surface of each raceway I first cover a scrap piece of BT60 with 220 grit sandpaper. I then rub some Elmer's glue stick onto the fingertips of my right hand. This allows the raceway to stick to my fingers as I scrape the concave detail into it.

I then glue the (4) raceways onto the sustainer with Titebond red.

TBC

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