Bought this as have many pedals with midi sockets on my pedal board. There is no standard for midi sockets, so some are fitted in the smile configuration, and some are fitted in the rainbow configuration. This lead solves this problem, as you can configure them either way, and the housings are the smallest I have come across.
This is cheaper than custom cables and stick out less. When you buy cables like this, it seems you do not get much for the money, but I think the price is ok, as the design achieves it's goal
I use these to control three Strymon pedals from a Boss ES-8, and I couldn't be happier. Very low profile. You can unscrew the backs and change the orientation of the cable to suit your needs. I'm very happy with these cables. Although they're a bit on the expensive side, I feel the profile, quality, and switchable headpiece justify the cost.