Here is a technique that was shown to me by Stephen Koepfer. It works well for me and i hope you enjoy it

Fireman's Throw to Leg Saddle Heel Hook

Sensei Erik Paulson demonstraits two finishing holds based on how you catch the Thai Round Kick. Catch A (or Overhook) is followed by an Achilles Tendon Hold, A Foot Lock and then a Heel Lock. Catc B (or Underhook) is followed by a Straight Knee Bar

going into the inside heel hook

Insert your knee and push back to get the heelhook by roy harris bjj

O Guruma - major wheel throw by Mike Swain

Improved technique to make the Heel Hook faster and more effective against attempted counters

Practicing Russian Sambo Grappling

A heel hook set up from the half guard. Very popular in Southern Illinois

Learn how to properly execute the palm heel strike from a karate expert