First, make sure that your media is imported into Resolve. To do this, open the Media Browser and select the footage you want to import. It is recommended that you Import Footage into a Sequence if possible, however importing into Clips will work just as well.
Next, create a new clip in DaVinci Resolve by selecting the ‘Create New Clip’ from the Edit Menu (or keyboard shortcut).
Now select the ‘Blade Tool’ from the Toolbar at the top of the screen. This will bring up the Blade Editor window. In this window you can use the left and right arrow keys to move around your clip, as well as Shift + Left/Right Arrow keys to edit multiple clips at once (useful for making quick cuts). The blue dot on either end of your clip indicates where it currently sits in your timeline. You can also click and drag within your clip to move it around.
Once you