a way to turn it inside out is to slide the "lipped" side (the part where the nozzle goes in) over a bic pen. The tapered end of the bic pen will "grab" the "lipped" hopup rubber, and you can kinda roll it over itself.
i've done this succesfully, even with clear hopup rubbers.
I use an exacto-knife (Scalpel) for the nub removal, though some people use sanding paper.
i've done this succesfully, even with clear hopup rubbers.
I use an exacto-knife (Scalpel) for the nub removal, though some people use sanding paper.