At 1.2 seconds, this clip is compact enough for quick reactions and usually needs no trimming. Download the MP3 to keep it available offline, load it into a soundboard, or assign it as a short notification tone where your device allows custom audio. It also works as a ringtone, though its brief length may repeat rapidly on incoming calls. Keep dialogue and gameplay slightly lower so the sharp cue remains clear. For longer mishaps, follow it with a fail sound meme rather than looping the knock repeatedly.