I use foot pedals used in the transcription space such as something a stenographer would use. Philips makes good foot pedals. They're pretty robust. There's uti

I use foot pedals used in the transcription space such as something a stenographer would use. Philips makes good foot pedals. They're pretty robust. There's utilities for reprogramming what the button press triggers, mine's set for copy / paste. Pedable is good, and there's an advanced tool called ControllerMate worth looking into.