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SFXLibrary is a database of free sound effects to use in your projects. Every sound is available in MP3, WAV and OGG format.
knock/category/knocking sounds
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knock/category/knocking sounds
blood
explosion
unlock
sliding
concrete
metal
knocking
sharp
helicopter
heart
break
weapon
shot
glass
sharpen
loop
heartbeat
rain
thunder
pistol
footstep
waterfall
fire
metallic
knife
attack
cicadas
laser
wood
shotgun
bullet
trigger
water
moving
slide
melee
splat
footsteps
bell
countryside
ceramic
sniper
running
knock
sink
grenade
underwater
sand
smoke
three
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