the first part you need is this thing (I don't know his name in english)

The second part is this plastic piece

The third is a pot

1st step
cut the plastic piece
like this

2nd step
mount the potentiometer on this plastic piece and glue it
3rd step
mount the first pièce (picture one) on the hihat stand and introduce the potentiometer on the hole of this piece



a close up

That's all
Later I will connect the Jack like this

I'm sorry for my bad english
