Review: Panel Carry vs Gorilla Gripper vs Panel Pal

This is a review and comparison of three panel carriers:\r
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1. Stanley Panel Carry ($7) : \r
2. Gorilla Gripper ($50) : \r
3. Panel Pal ($70) : \r
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How do they all work? What are their strengths and weaknesses? And which ones are worth buying?\r
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MORE DETAILS:\r
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AMAZON STORE:\r