I wonder when someone in the shoe business gets the bright idea to enable shoes for children and mentally disabled adults to have an Apple Air Tag or Tile Tracker to be inserted? Then when someone goes missing, they can be quickly found. Seems like an easy design change. I was thinking about cutting the heel of a sneaker, hollowing out “cave”, putting an Air Tag in, and the epoxy the cut. I was concerned that it might make the shoe uncomfortable. I’m going to wait for him to outgrow his current pair and has a new pair ready to put into service. Then do a human factors test, Laugh!
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Found an interesting report of doing this exact idea.
https://www.reuters.com/investigates/special-report/global-plastic-dow-shoes/
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Reinke Faces Life 
Heh, having recently read a discussion about a new product — air bags for the hips of older folks — my “brain-eyes” originally read your idea as being airbags for sneakers! So I was briefly trying to visualize just what serious injuries could be avoided by suddenly having giant balloons pop up under one’s feet! LOL!
– MJM, now thinking of air bags under one’s chin popping up if one starts to nod off during a boring class…
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