Mounting LVS from Debian

Not that hard to find online, but after the fifth time I do this I think it would be nice to add it here. From https://www.linuxquestions.org/questions/fedora-35/how-can-i-mount-lvm-partition-in-ubuntu-569507/ + http://www.linuxwave.info/2007/11/mounting-lvm-disk-using-ubuntu-livecd.html