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The necklace has a GPS in them so the show can keep track of them.
necklaces
Timex watches are great for male runners keeping track of their heart rate, gps, and speed+distance. These watches are the perfect fit for runners, water resistant and are sold by the "lap-fulll".
On naked and afraid, they are not wearing necklaces, they are wearing microphones.
All that the initial necklaces have in common is that they have the initials of those who decide to wear them. People can have any initials on the necklaces.
If you are running on a track, you can wear spikes, just make sure there is a cushion in the heel. Sprinter spikes have very little heel cushion.
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Beaded necklaces and scarfs
to become more beautiful
Red necklaces
Cause they wanted to
prodigy duuhhh