Designed for Mitsumi style key caps for the Amiga and Commodore 128 series, this holder will keep the keys oriented properly when submerged in liquid developer solution (aka RetroBright). This allows the old yellowed keys to become near-new in color when exposed to UV light (typically natural sunlight).
To help keep it submerged, I hot glued several galvanized joiner plates from the local hardware store to the bottom. To aid in handling when submerged, L brackets were also hot glued in place (see w
Keys snap into holders. After use, the holders may become loose. Refresh with a subtle application of a heat gun and lightly pinch when the plastic is softened. This will restore the grip of the holders.