Reading about back body lock only gets you so far. Upload a roll or a competition match and the professor watches it back with you — it finds every exchange the back body lock decided, shows where you lost it, and tells you what to drill next.
Free, no account needed. Your footage stays private.
Connections describe what coaches teach across 2,044 indexed videos — not what's objectively best. A row backed by one video is weak evidence; ✓ marks connections taught by 2+ independent channels.
Upload a roll or a match and the professor finds every back body lock moment in your own footage, then coaches you through what went wrong — or just tell it what's going wrong and get pointed at the fix.