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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.
Heavy knocking 3 times on metal
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Heavy knocking 3 times on metal
metal
knocking
knock
three
- / -
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.mp3
.wav
.ogg
sink
attack
underwater
fire
footsteps
water
thunder
metal
glass
melee
bullet
smoke
knocking
helicopter
waterfall
sliding
heart
heartbeat
trigger
moving
shot
laser
concrete
grenade
ceramic
weapon
unlock
knife
slide
wood
sniper
knock
cicadas
sharpen
shotgun
countryside
blood
three
sand
sharp
splat
running
metallic
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footstep
bell
explosion
rain
break
loop
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