Yeah IDK what Push's solution is but newer DHX2's are pretty easy with the 2-piece spacer -
https://www.ridefox.com/fox17/help.php?m=bike&id=1100 On the Bomber (like pre-21 DHX2's) you'd just have to clamp the shaft, unscrew the rebound eyelet, insert spacer, and reinstalls eyelet. User adjustable as long as you have the right tools