I would transform myself into a phone with retractable limbs and wings. So I could disguise myself when needed.
[b][u]Note: The one object that you choose is the only object that you can transform into and back![/u][/b]
Edit: I was hoping for more imagination.
[spoiler][b][i][u]KUPO!!!™[/u][/i][/b][/spoiler]
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A gun. [spoiler]i think we all know why[/spoiler]