Caporegime
It’s also a heck a lot cheaper than the lens mate.
I saw a post from someone on a FB group who got one early in China and he likes it a lot. Still have access to all the buttons. Plus it comes with the soft button which saves me another £5.
I put an order in with their eBay store and they show delivery as:
Estimated delivery:
Tue, 28 May - Tue, 04 Jun
I just got a dispatch with a FedEx shipping number, so will be interesting to see when it arrives.