Aikido Techniques: Kokyunage Against a Lapel Grab. Part of the series: Fundamental Aikido Techniques of Kokyunage. A shirt-grabbing attacker can be thrown using the Aikido technique Kokyunage. Learn the Aikido self-defense technique Kokyunage against a lapel grab in this free martial arts video featuring a fifth-degree black belt and United States Martial Arts Hall of Fame inductee.
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Aikido Techniques: Kokyunage Against a Lapel Grab

If one lets somebody grab, what happens? I did this, they cried foul in actuality. I did not know what else they'd do
I one allows the grab ,what injuries does one risk?