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Uploaded by nvonf on Aug 1, 2010
BackTpack is a healthy carrying system that trains good posture by loading the vertical spinal axis unlike other carrying systems which load off-axis and cause postural distortion.
Science & Technology
Standard YouTube License
idk about you, but the busses I take are never as empty as 2:53
oaney 1 month ago
HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAAH, what a joke and a half, you would just look so fucking stupid
Mike76767 1 year ago
you would get the shit kicked out of your kid for using that..
seriously.
greenrolaids 1 year ago
that thing looks like it hurts >.>
funkmastafle 1 year ago
hahahaha...you would get beat up so bad for bringing that to school.
Kaip911 1 year ago
its like 2 man purses put together...
DiscoA1 1 year ago
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idk about you, but the busses I take are never as empty as 2:53
oaney 1 month ago
HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAAH, what a joke and a half, you would just look so fucking stupid
Mike76767 1 year ago
you would get the shit kicked out of your kid for using that..
seriously.
greenrolaids 1 year ago
that thing looks like it hurts >.>
funkmastafle 1 year ago
hahahaha...you would get beat up so bad for bringing that to school.
Kaip911 1 year ago
its like 2 man purses put together...
DiscoA1 1 year ago