Bokken Bearing Tsuba

My bokken gears up
Heralding the end of night
They turn in darkness

Bearing your attacks
My tsuba spins and dances
As my blade sings true

This custom bearing
Has booleaned a cross section
Which came from Inkscape

As the ideal gear
It reminds your samurai
There are eight planets

When you equip this
All your words must be haiku
For no good reason