In self-defense, wristlocks are never off the table.

Although considered harder to pull off than simple striking, joint locks are utilized in combat as another tool in the belt in understanding kuzushi and skeletal control.

Martial Arts Dojo DVD lessons, Books and Dojo Training Music - https://www.ebay.com/sch/thedojomartialarts/m.html?item=264943158075&hash=item3dafd7c33b%3Ag%3AF2kAAOSwUlRbu4ZI&rt=nc&_trksid=p2047675.l2562

USB lessons - https://www.thedojoinc.com/page45.html

More information on relocating and training in person at The Dojo Training Hall in Mason, Ohio U.S.A.
https://www.thedojoinc.com/