Mitered spline corners using a biscuit joiner

Simple steps to add splines to mitered corners

Biscuit joiner: https://amzn.to/3PwJIi3
Corner Clamp: https://amzn.to/464l7GR (diferenet brand but the same thing I use.
Dewalt miter saw: https://amzn.to/3sJSKj0