deep,champion,hidehiko hasegawa showed his counter technique for achilles lock.he is top specialist of submission and sambo in japan

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

aoki shinya demonstrates a variation of the achilles tendon lock at shobukan judo club

this is a Clip showing a move from the Pankration Episode

Gastrizein - Double Leg Takedown - Shoulder Throw - Shoulder Lock - Achilles Leg Lock