CONTACT US

We are here to answer any questions or get you started on you new journey! 

Write Us

Shoot us your questions! 

We will get back to you as quickly as possible. You're important to us!

* Indicates required fields
Thank you! We will get back to you as soon as possible.

© 1996-2025 Copyright International Hapkiyoosool Federation, LLC. All rights reserved.
Hapkiyoosool and Talon Combat System identify the independent modern combatives system developed by Jeff Allen. We are not affiliated with any organizations that use Hapkiyusul or similar variants. “Hapki” and related lineage terms are used descriptively for historical reference only.

We need your consent to load the translations

We use a third-party service to translate the website content that may collect data about your activity. Please review the details in the privacy policy and accept the service to view the translations.