Jeon demonstrates his tactical gripping and how he used it do dominate contests
Jeon demonstrates his preferred left handed grip against right handed opponents. This is also applicable right v left
Jeon demonstrates how to deal with a high left lapel grip. This double grip break is Illegal in current IJF rules
Jeon demonstrates how to deal with an outside left grip. This is for a left v left situation but can also be applied to a right v right situation