0:02
Please enable Javscript
A soft door knock
Please enable Javscript
0:01
Please enable Javscript
Knocking on the wood frame of a glass door, single knock
Please enable Javscript
0:01
Please enable Javscript
Hotel room bathroom door knock
Please enable Javscript
0:04
Please enable Javscript
Knocking on a school hallway door
Please enable Javscript
0:01
Please enable Javscript
Double tap on a window, thick pane
Please enable Javscript
0:02
Please enable Javscript
Knocking a wood door, heavy and reverberant
Please enable Javscript
0:04
Please enable Javscript
Knocking on wood in triplets three times
Please enable Javscript
0:09
Please enable Javscript
Knocking on wood dully in a series
Please enable Javscript
0:05
Please enable Javscript
Knocking on wood authoritatively twice
Please enable Javscript
0:05
Please enable Javscript
Knocking on an old antique wood glass door with a buzz 3
Please enable Javscript
0:03
Please enable Javscript
Knocking on an old antique wood glass door with bangs 3
Please enable Javscript
0:03
Please enable Javscript
Knocking on an old antique wood glass door with many bangs
Please enable Javscript
0:02
Please enable Javscript
Knocking on an old antique wood glass door with a rattle 2
Please enable Javscript
0:02
Please enable Javscript
Knocking on an old antique wood glass door with a rattle 3
Please enable Javscript
0:02
Please enable Javscript
Knocking on an old antique wood glass door with bangs 5
Please enable Javscript
0:02
Please enable Javscript
Knocking on an old antique wood glass door with a rattle 1
Please enable Javscript
0:02
Please enable Javscript
Knocking on an old antique wood glass door with a stutter
Please enable Javscript
0:03
Please enable Javscript
Knocking on an old antique wood glass door with bangs 4
Please enable Javscript
0:02
Please enable Javscript
Knocking on an old antique wood glass door with a buzz hard 1
Please enable Javscript
0:03
Please enable Javscript
Knocking on an old antique wood glass door with bangs 2
Please enable Javscript