These are a rougher prototype for our original design. The Velcro lengths are shorter and the leather isn't exactly straight on this pair. Pictures are of actual product. Video is from the current design. 7" long. There is only one pair of these available. Price is $25 for the pair. 
 
2" wide strip of leather with leather strips leaving a 1/2" channel in the center to hold your hand cuffs in place while providing some padding against the skin. Hand cuffs not included. 

IMPORTANT!: Measure wrist circumference 2" up arm from where cuffs would normal rest. That is the size you want.