>that weird puck thing Belkin makes them. They are continuous and have a pushbutton. They're like $130 or something ridiculous. I've only ever used them for tu

>that weird puck thing Belkin makes them. They are continuous and have a pushbutton. They're like $130 or something ridiculous. I've only ever used them for tuning around in a software defined radio, but a lot of music/video editors use them as jog dials.