Cold shoe adapters have seemingly been around forever but enlight photo decided to take a hard look at the design to rethink and enhance it to its maximum potential with the frio Universal Locking Cold Shoe V2. First they reduced the weight by using a strong polymer. That solved inadvertent flash firing from metal on metal shorting as well.
The frio's patented DualLock system ensures that your valuable equipment is securely mounted. The patented DualThread receiver on the bottom of the frio accepts both 1/4"-20 and 3/8"-16 stand and accessory screws. There's a lanyard tip to hang your radio receiver from, too. The frio is compatible with most standard flash hot shoes on the market including Nikon's SB-900.
The The Frio V2 is popular because customers like the following qualities of the The Frio V2: Easy to use, Lightweight, Packs small / compresses and Reliable