Magic Wand Paint Brush

I was brainstorming ideas after painting all day and I thought... magic wand paint brush? Brushes are super expensive but they're surprisingly simple tools. So I overcomplicated it and came up with this after having a total of about 2 hours of sleep this week and a cup of coffee at 7pm. Using @jcernato's threads I did my best to create a screw cap for the back which hairs can be folded into. There is a flaw in the hole which I may or may not be able to mend after I have more sleep. Though anyone else might be better at the job. Aside from that, all it's missing is a metal clip to hold the hairs in place, which I have not had enough sleep to figure out how to print. I put the handle on the bottom on purpose as it's the heavy end of the brush, and writing wrists I do not want to try to balance a brush with a heavy back end... wait... I may have gotten that backwards...

The idea is simple, thread the hairs through the hole, screw it onto the wand handle and clip the ends together on t