Making a Fist – Ashihara Karate International – Kaicho Hoosain Narker Sabaki Fighting Karate
Fold the fingers in, Press the folded fingers Fold in the thumb little finger first tightly against palm while tightening the knuckles
Punches should always impact exactly at right angles to the target. The wrist should remain straight; otherwise the punch will not only be effective, but the wrist damaged, too!
To avoid injuries during sparring, use the heel of the hand.
The heel of the hand does not mean the palm. Connect from the wrist itself.