Channel operators see a lot of material. What gets picked is usually decided in the first few seconds of a review. A good clip is therefore not the longest or the most spectacular one, it is the one whose content is clear without follow-up questions.
Length: short, but not too short
As a rule of thumb, a window from roughly ten seconds before the event to five seconds after it works well. The lead-in shows how the situation built up, and that is what makes a scene assessable in the first place. A clip that starts mid-event looks accidental and leaves open who did what.
The tail can stay brief. Minutes of driving on afterwards add nothing. If something relevant happens immediately after, however, such as a vehicle that does not stop, it belongs in the clip.
Context: what the picture does not say
Every submission needs a short description. Place, date, time and one line about the situation are entirely enough. Those details save follow-up questions and let someone place your clip.
Do mention what you did yourself. Whether you braked, swerved or simply carried on helps a viewer understand the scene. Notes about difficult conditions are valuable too: wet roads, glare from a low sun, a junction with poor sightlines.
Note
Write only what you actually know. An estimate phrased as a fact stands out as soon as the footage shows something different.
Image quality: usable beats perfect
Not every scene has to be pin sharp. What counts is whether the essentials stay recognisable. A shaky but understandable image is worth more than a high resolution recording in which the decisive movement happens outside the frame.
Resist the urge to edit the clip heavily. No added text, no music, no effects. Channels work on from the raw material and cut it into their own format. Whatever you add usually has to be removed again.
What is missing again and again
Three things come up repeatedly in rejections. First, a missing lead-in, so the cause of the situation stays invisible. Second, an empty description with neither place nor time. Third, footage that looks interesting but is so dark or so unsteady that the sequence cannot be followed.
All three can be checked before uploading. Watch the clip once as though you had never been there. Wherever you find yourself guessing, you have found either something that belongs in the description or a place where the section should start earlier.
More on picking the time window is in the article on choosing the right section.
A last look before you send
Before you click submit, a minute of distance helps. Play the clip one final time and hold three questions in mind. Can a viewer tell which direction everyone is moving in? Is the moment that matters fully inside the frame? Does the description match what is actually visible?
If something stands out, fix it now rather than later. A follow-up note may only reach a channel after it has already reviewed the clip. And a clip that convinces on first viewing has a far easier time than one that needs explaining first.
