To install all this binding(if you have already installed fzf), you need to run
Also, discover the possibility to choose several files and open them simultaneously in fzf.vim. To do it, just press `tab` to mark files to open.
More details on the issue.
Btw this guy has a cool vim plugin for git merging, also his YouTube channel and Dotfiles.
I did not find his Twitter profile, and please share if you have it)