Sandwich Bag Fire Starter
kvARvzMErnk • 2017-06-08
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Language: en
uh guess who just turned up at my place
it is Grant Thompson the king of random
what's up guys Grant is actually gonna
show me a little survival tip uh let's
say you're stuck out in the woods and
you need to make a fire but you don't
have say matches or a lighter we're
going to try to use a Ziploc bag to
start a fire I guess when you're
Building A Fire the first thing you're
going to need is some Tinder so we're
going to have to go scou around for some
options this stuff works pretty well and
this is pretty dry yeah we definitely
want something that's off the ground if
possible because we need it as dry as
possible the first step was to grind up
the Tinder in into a fine powder I'm
just following Grant's instructions here
I'm not really sure if this is going to
work see that right there that's the
stuff we're going for it's super fine
we're going to take our base plate we're
going to pinch a nice little pile in
there okay so at this point we're pretty
much ready to start the ignition process
so what do we need for that we're going
to need a Ziploc bag and a little bit of
water now this is just a regular Ziploc
sandwich baggie we're going to pour that
in until it's about halfway full you let
me know when grab water from a creek or
a stream or wherever you like now here's
the trick we want to develop this into
some kind of a liquid sphere we're going
to be making a liquid magnifying glass
so I do that by turning my Ziploc bag
you know 45° so it creates this diamond
shape and then we're just going to
gather these two corners together we're
going to lose a little bit of water as
we do MH and we're going to pinch that
off and the next goal is to twist it to
trap all that water inside you see as I
twisted it creates pressure it exerts
almost an equal pressure on all sides
and now while it's not a perfect sphere
it will eventually start to bubble
out into a nice liquid sphere where we
need it we've essentially just made a
makeshift magnifying glass and you start
the fire the same way you would with a
magnifying glass now once you roll the
ball around you can see where it looks
the best we're looking for as close to a
s as possible which is right there now
if I back it out wow you can see there
it starts smoking immediately that's
incredible the focal length of a lens is
the place where all of the light
converges so that's really what we're
trying to establish here right is
position the Tinder pile at the focal
point of this spherical biconvex lens
essentially now you can see this has
been smoking for a little while M we've
developed a little bit of an ember base
it's burned a little bit yeah yeah and
so now I'm going to sprinkle a little
bit more fuel on top there and that will
cause the heat to rise and burn that
from the bottom and then I'm going to
hit it again from the top nice it's
interesting how you're like kind of
bringing it down so that the surface of
that is not actually where the most
concentrated rays are you're
concentrating even deeper down into the
pile that's right because um we don't
want the heat to dissipate too much and
if we're at an extreme focal point like
this the Heat's going to bleed off so if
we can warm the surrounding area it
actually helps speed the process right
we're just going to repeat that process
until it will stay smoking on its own
we've only been at this for a minute or
two and the amount of smoke we're seeing
there is uh is pretty significant little
bit of sprinkle little bit of sunlight
rinse and repeat really elevating the
temperature
mhm at this point our pile is smoking
pretty well on its own now I'm going to
go ahead and take this plastic bag and
just set it to the side we could reuse
this again if we wanted to at this point
we can probably start adding smaller
pieces of Tinder mhm you'll get a few of
these little pieces here we're going to
build that into a small we want it to be
extremely light
Airy sure to still allow the oxygen to
get in there exactly cuz if you take
away the oxygen you smother the fire
cool I think right there we're just
going to let it sit for a couple minutes
now while that's going we can start
chopping up some of these pieces we just
found lying on the ground they're dry
it's almost like straw we're going to
pull them into very thin fibers we want
to make something that resembles a
bird's nest something that's light Airy
and can catch fire very quickly and now
we need to transfer this without
disturbing the coals as much as possible
the way that I like to do that is take
this base we're going to take this grass
we're going to put over top and we're
just going to gently roll it over like
this oh wow now you can see all those
hot coals transferred down into the
grass and we're just going to cover it
over to help conceal block it from some
of the wind like this and now because of
all that straw the air can flow through
it and help build the heat one trick
that I use that looks a little bit funny
I just stick this in my hand and spin in
circles
and it really works
honestly that's
impressive you can already see it
smoking a little bit more we're going to
give that a second just for the heat to
build back up yeah but you can totally
see there's a lot more fuel catching on
fire now what we want to be seeing is
thicker smoke and we want to see it
progressing if we see the smoke dying
down or getting weaker like slow down
get it out of the breeze give a chance
for the Heat to build this is ready if
you look down in there you can almost
see glowing red Embers now it it wants
to light it wants to light it just needs
a little bit of a flick just going to
build up a little bit more little
spinning trick oh you see that just
caught flame there go boom and then we
put down here oh that didn't work shoot
sorry Derek it's okay we've clearly
demonstrated forming fire well that my
friend is how to start a fire with a
sandwich bag and a bright sunny day
that's nicely done I want to say a huge
thank you to Grant here King of Random
you should go check out his channel does
lots of very random things and has
taught me a thing or two that's for sure
a lot about survival hacks and a lot of
those things that you really shouldn't
try at home and we show you why you
shouldn't try them at home in fact we
just put a video on my channel trying to
melt glass we took a Dr Pepper bottle
and melted that in the backyard and it
worked amazingly well so go check it out
I'll put a link in the description
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file updated 2026-02-13 13:09:22 UTC
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