Accidental Shoulder Locks in Judo

Shoulder locks are illegal in judo, but there have been a couple of times where they seem to have been applied by accident during newaza and resulted in a submission. 0:00 Shoulder-lock submission? 0:51 Thunder-lock submission in a grappling match 0:57 Accidental Thunder-lock in Judo 1:16 Revenge! Choked out! The examples I've selected for this video are of shoulder locks known in grappling as a thunder-lock. I have some examples of other types of shoulder lock used in judo that resulted in disqualification here: https://youtu.be/-pUGF2eh6pA