The micro USB breakout is accessible from the top of the barrel. Use this port to program the Adafruit Feather, change sounds, code, etc. Pull the wires through the bottom opening of the barrel. The bottom of the barrel will not allow the PCB assembly to pass all the way through.
Install Clamp to Powercell
Grab the clamp and orient it with the Powercell. Insert the speaker and battery cables up through the clamp. Bring them together and press the clamp over the powercell. Line up the groves and twist to lock them together.
Grab the JST connectors from the wiring assembly and check everything is accounted for. Bring the barrel close and plug in the JST connectors. Take a moment to thoroughly inspect the wiring and ensure the connections and polarities are matching.
Pull the JST cable from the battery through the opening in the barrel and connect it to the battery port on the Adafruit Feather. You may need to adjust the PCB retainer by turning it to one side to better access the port. If the PCB retainer gets stuck, you can use a file tool to loosen the tolerances by sanding the edges.
Insert a M3 x 16mm long machine screw through the hole in tab of the clap. Press it all the way trough and insert a nylon lock nut onto the thread of the screw. Use a screwdriver and pliers to securely fasten together.
Grab the 3-pin JST cable from the blade and insert it it into the NeoPixel port on the Prop-Maker FeatherWing. The PCB retainer may need to be adjusted to better access the JST port. Wrap the wiring inside of the barrel and begin to twist the emitter onto the barrel. The screw threads mate together and are fastened tightly.
The Emitter is designed to be removed by unscrewing it from the barrel. The micro USB port is accessible with the emitter removed for recharging the battery or programming the Adafruit Feather.
Give your saber a test by winging it around (careful not to knock anything over!). The durability of your saber lies in your construction. Take the time to true up any edges, shorten or adjust wires and cables.