在這張新的DVD中我們會明白這套技術的原因和本質：方法及態度，使其與其他武術不同的地方。SOG創始人Olivier Pierfederici為我們詳細解釋三角部分、技術教程、地面作戰技術、面對持刀和持槍攻擊的防禦、絞殺技、小彎刀（Kerambit）的基本技巧和壓力練習。 - Languages Included in Video: English, Español, Deutsch, Italiano, Français" 語言：英語，西班牙語，德語，義大利語，法語。
Please always keep in mind that our products are basically of 2 types:
1- "Physical" products (DVDs and Books) with shipment by Post-Agency.
2- Digital products for download (multilingual MP4 Video files and e-Books in PDF format) that you can immediately download to your computer or mobile device.
INFORMATION ABOUT DVDs:
- All our DVDs are region "0", and therefore playable ALL over the world.
- Most of our DVDs are available in PAL and NTSC format, expressly indicated on the tab of each DVD. Be sure to select the desired format (PAL: Europe, Asia, ... / NTSC: North America, South America, Japan, ...)
- The languages ??included in each DVD are expressly indicated in the description of each title.
INFORMATION ABOUT DIGITAL VIDEOS:
- Our digital videos in download are MP4 files (H264 codec standard), playable on all devices and multimedia playback software Windows-Mac (QuickTime, Windows Media, VLC player, ...).
- The languages included in each video are expressly indicated in the description of each title. In the audio menu of your multimedia player software (QuickTime, Windows Media, VLC player, ...) you must select the track with the desired language.
- Once the purchase of our digital videos is downloaded, you will receive an email with the links to download your videos. You can also download your videos from the "My Account / Order History / XXX Order" section.
- The deadline for downloading the purchased digital videos is 7 days from the date of purchase, and you have 5 attempts to download each video. However, in case of having any problem, contact us via the Customer Service form, and we will resolve any incident.