The connector tubes for the “Click-A-Cuff” system come in two different lengths. A 6 inch tube, and a 12 inch tube.
These “connector tubes” are sold individually to be mixed and matched too your liking. The cost is $19 each. They are only available in silver.
Use one connector tube to click together two cuffs. Use two 12 inch connector tubes with the “Bow-Tie” collar and Click-A-Cuffs to create the “Secretary”. Use two tubes and cuffs with the “adjustable sleeve” to create a rigid spreader bar. There are many possibilities.