Cut a smallish piece of cellophane wrap. This will become the core of the icicles. Use an awl or other pointy object to spool this into a spike shape and secure it with a bit of hot glue.

Make a whole bunch of these in different lengths and thicknesses.

Heat up a low-temp glue gun and have lots of glue sticks ready. I put some oil on a glass plate to give myself a nonstick surface. Decorate the spines with squiggles of glue until you've got a big pile of lovely icicles.

A high-temp glue gun will make the cellophane melt and crinkle, so low-temp really is the way to go here.

Measure your head and make a circle of glue that's a little larger than the measurement. Do a couple layers, then peel it up and try it on. If it doesn't fit, you can cut it and adjust. I want my crown to sit just above my temples.

I cut the front and made it come to a "v" shape since I really like that aesthetic.

Plug your on/off switch into the JST port on your QT Py BFF and then wrap the controller and wires in white electrical tape. We want to make it disappear and blend in to the glue. 

I'm using a larger size wig head - the "male" wig head that's available just about anywhere wig heads are sold. His measurement is close to my tiny head size. If your head is bigger, wrap a few layers of duct tape around so your circlet fits the wig head, and also fits your head.

Stretch some plastic over the wig head to give your circlet something to adhere to. I found a gallon ziploc bag was just the perfect size. Pin your circlet onto the wig head through the plastic.

Place the controller up high on the forehead. Start gluing the lights to the circlet, making sure they're facing up and out for best effect. These lights are directional so you'll get more brightness if the resin bump is facing outwards.

Glue all the lights around and around, concentrating more of them in the front. 

Once all the lights are on, trim the plastic along the bottom. Try it on again at this stage and make sure it's fitting the way you want. You can use a heat gun to re-melt the glue and stretch or squish it if needed. Just be careful about pointing that heat gun at your wig head, because he will melt!

Time to add the icicles. Trim the bottoms as needed to give yourself a nice array of heights. I think they look best with the tallest in the middle, but .. your crown, your way. Fill in any voids or gaps between the icicles with more hot glue.

Once they're all on, trim off any more extra ziploc plastic.

I made a battery pocket out of white felt fabric and glued it along one side behind the spines. I glued the switch cable along the other side and placed the switch just inside the spines at the back so I can reach it easily. 

The QT Py is glued just behind the spines in the front.

To hold the crown on my head, I used plastic combs glued onto the inside of the circlet. This works ok, but the crown isn't all that secure on my head. I may add some hair clips or a headband to make it stay a little better.