Janobike T85 installing steering damper

This video is an example of the way I did the assemble of the steering damper on my Janobike T85. I saw a lot of videos some of them much better than mine but all different, I wanna put mine this way and Im expalinning how I did it and the material I used will be described below:
1 x Screw M8x70mm
1 x Screw M8x50mm
1 x Screw with the round ring (Arola) M6x50mm
3 x Nuts M8
1 x Nut M6
1 x Washer M6
2 x Washer M8
2 x Unions M8
2 x Unions M6
1 x drill 6.5mm
1 x Threading male M8
Thank you