The two halves can be attached together with two hex bolts (tightened with an included hex key hidden under the throttle assembly), or spread akimbo thanks to a decently-long adjoining cable.

After removing the nipple fitting, I replaced it with an M5, fine thread hex head cap screw. I had to use a Dremel cut-off tool to cut the M5 screw down to size because I couldn’t find a short screw ...