| CPC F16B 5/0642 (2013.01) [F16B 21/02 (2013.01); F16B 5/06 (2013.01)] | 20 Claims | 

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               1. A mat locking pin comprising: 
            a pin body configured to be installed into pin apertures to secure multiple mats together; and 
                a wheel housed within the pin body, the wheel configured to be movable from a first position to a second position, wherein in the first position the wheel is housed within the pin body and in the second position at least a portion of the wheel extends from the pin body. 
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