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Old April 23rd 18, 08:32 PM posted to rec.aviation.soaring
bill palmer
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Posts: 89
Default LS3 headrest question

My LS3 headrest has a small 3-sided metal channel about 2” longwith two holes in the top (each about 3/16”)

Does anyone know what that is for?
https://drive.google.com/open?id=1Ub...UFJ7onxROKgYlu

Thanks

Wfpalmer at gmail.