# cryptsetup luksOpen /dev/sdx2 slackluks
# vgscan --mknodes
# vgchange -ay
# lvscan
# mount /dev/foo /foo
# mount -o bind /proc /mnt
# mount -o bind /dev /mnt
# mount -o bind /sys /mnt
# mount -o bind /boot /mnt
(mount /boot if on a different HDD if messing with kernel issues etc...)
# mount /dev/foo /mnt
# chroot /mnt /bin/bash