5' and 6' Piano Skid Boards - primarily used for placement on the long side of a grand piano to protect it from scuffing damage when it is being carried or dollied.
The Use of this Moving Equipment
Above are pictures of the practical use of a grand piano skid board, padding, belting and a piano dolly to transport a grand piano.
Above is a picture of the practical use of the humpstrap and the piano dolly to carry a small upright piano down stairs.
Above are pictures of a small upright piano standing
(properly belted) on its side upon a piano dolly.
Notice how the locking piano belt is tightly strapped
and knotted on the back side of the piano.