Cheap Multicamera Switcher Options for Piano Teachers

HDMI to USB video capture devices:

AVerMedia Live Gamer Mini - found it at Walmart and it seems to be available: https://bit.ly/2W1xhhk

NIX Video Game Capture Card - less expensive than the AVerMedia above: https://bit.ly/3bLk6aN

Here is an even less expensive HDMI capture device, but I haven't tested it - buyer beware! https://amzn.to/2VKJJ6o

Multi Port HDMI Video Switchers:

Zettaguard 4 port HDMI Switcher with Picture in Picture - https://amzn.to/3eYhU1R

Koopman 4 port HDMI Switcher (what I showed in the video): https://amzn.to/2KFxSQH