A handy side pocket on a sock would allow discrete carriage of the mobile. This has a range of practical benefits, such as avoiding the dreadful and often damaging exit from shirt pockets whilst bending over.

Moreover, there’s a distinct safety upside. With Bluetooth headset connected, the phone would be at the maximum possible distance from the brain. It also affords the male user the relief of not having to carry it in their pocket where radiation might cause fertility worries, even though strange experiments have shown that cellular radiation causes increased fertility in earth worms.
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