maybe nexus ? - where you have to shift onto the lowest gear and can then unhook the cable, is there something that looks like a hex nut and is in fact clamping onto the cable?
if so, you can pull the cable off the crescent fitting on the hub, holding on and pulling slightly on that bit
what town are you in? capitals bike coop is still open, otherwise maybe go to a workshop of a recycling center if there is one?..
also coke(liquid) from the bottom through the steerer?
take the wheel out and help the stem with some rod through the forkcrown?
̶s̶̶m̶̶a̶̶l̶̶l̶̶ ̶̶p̶̶i̶̶c̶̶t̶̶u̶̶r̶̶e̶̶ ̶̶m̶̶a̶̶k̶̶e̶̶s̶̶ ̶̶i̶̶t̶̶ ̶̶l̶̶o̶̶o̶̶k̶̶ ̶̶l̶̶i̶̶k̶̶e̶̶ ̶̶t̶̶h̶̶e̶̶ ̶̶k̶̶i̶̶n̶̶d̶̶ ̶̶w̶̶h̶̶e̶̶r̶̶e̶̶ ̶̶a̶̶ ̶̶p̶̶l̶̶a̶̶s̶̶t̶̶i̶̶c̶̶ ̶̶c̶̶l̶̶i̶̶p̶̶ ̶̶h̶̶o̶̶l̶̶d̶̶s̶̶ ̶̶o̶̶n̶̶ ̶̶t̶̶o̶̶ ̶̶a̶̶ ̶̶s̶̶h̶̶o̶̶r̶̶t̶̶ ̶̶t̶̶h̶̶r̶̶e̶̶a̶̶d̶̶e̶̶d̶̶ ̶̶o̶̶r̶̶ ̶̶r̶̶i̶̶b̶̶b̶̶e̶̶d̶̶ ̶̶r̶̶o̶̶d̶̶ ̶̶w̶̶h̶̶i̶̶c̶̶h̶̶ ̶̶i̶̶n̶̶ ̶̶t̶̶u̶̶r̶̶n̶̶ ̶̶i̶̶s̶̶ ̶̶a̶̶t̶̶t̶̶a̶̶c̶̶h̶̶e̶̶d̶̶ ̶̶t̶̶o̶̶ ̶̶a̶̶ ̶̶l̶̶i̶̶t̶̶t̶̶l̶̶e̶̶ ̶̶c̶̶h̶̶a̶̶i̶̶n̶̶?̶̶ ̶(̶t̶̶h̶̶i̶̶s̶̶ ̶̶o̶̶n̶̶e̶̶ ̶̶i̶̶s̶̶ ̶̶r̶̶e̶̶a̶̶l̶̶l̶̶y̶̶ ̶̶e̶̶a̶̶s̶̶y̶̶ ̶̶t̶̶h̶̶e̶̶r̶̶e̶̶s̶̶ ̶̶a̶̶ ̶̶m̶̶e̶̶t̶̶a̶̶l̶̶i̶̶c̶̶ ̶̶b̶̶i̶̶t̶̶ ̶̶p̶̶r̶̶o̶̶t̶̶r̶̶u̶̶d̶̶i̶̶n̶̶g̶̶ ̶̶a̶̶t̶̶ ̶̶t̶̶h̶̶e̶̶ ̶̶b̶̶a̶̶c̶̶k̶̶ ̶̶e̶̶n̶̶d̶̶ ̶̶o̶̶f̶̶ ̶̶t̶̶h̶̶e̶̶ ̶̶p̶̶l̶̶a̶̶s̶̶t̶̶i̶̶c̶̶ ̶̶c̶̶l̶̶i̶̶p̶̶,̶̶p̶̶u̶̶s̶̶h̶̶ ̶̶i̶̶t̶̶ ̶̶a̶̶n̶̶d̶̶ ̶̶y̶̶o̶̶u̶̶ ̶̶c̶̶a̶̶n̶̶ ̶̶p̶̶u̶̶l̶̶l̶̶ ̶̶i̶̶t̶̶ ̶̶o̶̶f̶̶f̶̶ ̶̶t̶̶h̶̶e̶̶ ̶̶r̶̶o̶̶d̶)
maybe nexus ? - where you have to shift onto the lowest gear and can then unhook the cable, is there something that looks like a hex nut and is in fact clamping onto the cable?
if so, you can pull the cable off the crescent fitting on the hub, holding on and pulling slightly on that bit
what town are you in? capitals bike coop is still open, otherwise maybe go to a workshop of a recycling center if there is one?..
also coke(liquid) from the bottom through the steerer?
take the wheel out and help the stem with some rod through the forkcrown?