Don't break Debian - Experimental Kernel
/etc/apt/sources.list.d/experimental.sources
Types: deb deb-src
URIs: http://deb.debian.org/debian
Suites: experimental
Components: main non-free-firmware
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
/etc/apt/preferences.d/99debian-experimental
Package: *
Pin: release a=experimental
Pin-Priority: 1