why does touching the dispenser double metal?

Music: Hollow Knight OST - Radiance & Art of Rally OST - Midnight Stage
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custom files --- https://pastebin.com/raw/e32aG4nP
[ hud / crosshairs / hitsound / killsound / gfx cfg ]

super special cool console command: / ent_fire dispenser_touch_trigger disable /
(enter / ent_fire dispenser_touch_trigger enable / to reverse it)

big thanks to: Nicknine, Mustache for their contributions in research

old title:
"why does touching the dispenser double metal output? (or standing on top of it)"

FAQ:
Q: How did you make that? What editing software do you use?
A: I use Adobe Photoshop, Premiere Pro & After Effects. Photoshop for image editing and thumbnails. Premiere Pro for compositing and After Effects for motion graphics (the fancy animations).