I'm not sure if i can natively configure the key with isboxer, i will make a review, but worst case, seems possible to rebind key at will. My dream would be the ability in isboxer to add custom modificater keys, not only CTRL,SHIFT,ALT. Like Gkeys of mouse/keyboard or even foot...
Similar deal for keyboards, you can click on any of the keys on the keyboard and a pop-up menu will reveal allowing you to rebind the key whatever you want. Same options as mice, you can set the key bind to happen once per press, a set amount of presses, or repeatedly on hold or...