
I installed it on the Sonos Play 1 speaker (at ear level in a sitting position) using the short bracket instead of the long bracket . All was going well until I stopped holding the speaker upright. As soon as I let go of the speaker, the bracket and speaker fell from their vertical position and the speaker dropped heavily toward the floor. I tried tightening the bracket screw on the side of the bracket, but no tightening of the screw was able to prevent the speaker from tipping down toward the floor. To prevent the speaker from tipping to the floor,

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