Welcome to the official Common Sense Self-Defense / Street Combat site. Founded by Grandmaster Bram Frank, CSSD-SC has been the hub from which he has promoted his Combat Arnis and Modular systems, along with his knife designs.

Limited Item Now In Stock! – The Abaniko2 – Bram Signature Set

Store Categories

Lapu Lapu Corto
(LLC) Knives

Desangut Knives

Training Drones


Other Opportunities

From Bram’s Personal Collection

Virtual Training

Bram’s Birthday Training Camp

Find A Local
CSSD School

This Week’s Training & Event Calendar

Update your Information

Are you or have you been a CSSD instructor? Have you, at any time taken our courses in Combat Arnis, Modular Knife or CRMIPT?  If this is you, please take a moment and fill out the form via the following link.  We are in the process of updating our database.

CLICK HERE to fill out the form

Video Series On Bram Frank

A series filmed and presented by Guro Francis Serrano.

Other Episodes In the Series…

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