To see this mouse cursor in action, go to https://archives.loomcom.com/contraltojs/ https://archives.loomcom.com/contraltojs/ and follow the instructions unde

To see this mouse cursor in action, go to https://archives.loomcom.com/contraltojs/ https://archives.loomcom.com/contraltojs/ and follow the instructions under "Running Smalltalk 76".