As a Captain and a Divemaster, I’ve had to study the bowline knot with almost religious fervor. Thus, it’s the primary knot I know and remember, and perhaps, the only knot I can tie one handed. Back in 2019, I filmed myself tying a bowline with one hand. You can watch it here:

The video is not for instructional purposes, but if it helps you learn how to tie a bowline, that’s awesome! But, if you DO want to learn how to tie a bowline, here’s a couple videos that should help you out:

Hope these help! Have a good day, y’all!