Gogoplata.

What it is

Shin choke from guard compressing trachea and carotids

What you do

EXTREME DANGER: Gogoplata risks both choking and knee damage simultaneously

Tap urgency is CRITICAL due to neck hyperextension risk combined with choke

Release immediately on tap; maintain extreme caution with neck positioning

Never force this submission on larger or less-flexible partners

Partner must maintain full control of knee placement to prevent neck injury