Coach my roll
Get coached on your underhook half guard from the bottom
Reading about underhook half guard only gets you so far. Upload a roll or a competition match and the professor watches it back with you — it finds every underhook half guard exchange, marks the moment it went wrong, 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.
Leads into
2Built on
2Your game
Where does Underhook Half Guard show up in your rolls?
Upload a roll or a match and the professor finds every underhook half guard 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.
Prefer your own assistant? Use the professor in ChatGPT or Claude