1.Making a timber (wooden) box with in the middel a long hole.(Let 1 side open behind)
2.Make a litle hole on L & R side of the box in the middel.
3.Make a litle hole in the stick (Not to high and not to low)and make a litle thing on the stick that can push a button and make a spring from the stick to the top of the box.
4.Take a screw and put it in to the litle holes from the box and from the stick to the other side from the box (other side a screw-nut)(Set it not to hard)
5.Put your joystick into it (behind) and see that your thing on the stick a button push and you're done.!
Sry for bad English
I'm form belgium and 11 year