does anyone have a way to make something like this? im trying to make an arrow looper and i want it to sound authentic



https://www.youtube.com/watch?v=Fc_5ZhyZO84

so i am making an arrow looping coaster and i want to add catwalks above where the beams attach to the loop as shown in this picture
does anyone have any good suggestions on how to go about doing this? or maybe some pictures of some similar stuff youve created